There is something wonderfully satisfying about an Old Fashioned. It is simple, strong, and familiar—the kind of drink that does not need a long list of ingredients to make an impression. So when Costco put a Kirkland Signature Old Fashioned on shelves, it naturally caught the attention of whiskey drinkers who wanted the classic cocktail without standing at the bar measuring bourbon, syrup, and bitters.
The Kirkland version is a ready-to-drink cocktail made with straight bourbon whiskey, bitters, and simple syrup. It comes in a 1-liter bottle at 37% ABV, or 74 proof. Costco’s current product information describes it as a premixed cocktail designed to be served without additional mixing.
But convenience is only half the question. Does it taste good? Is it too sweet? What bourbon is used? How should you serve it? Is it worth buying instead of making an Old Fashioned yourself?
Those are the questions that actually matter. This guide takes a closer look at the drink, including its flavor, strength, ingredients, serving ideas, value, common mistakes, and who is most likely to enjoy it.
What is the Kirkland Old Fashioned?
The Kirkland Signature Old Fashioned is a ready-to-drink, premixed cocktail sold under Costco’s Kirkland Signature brand. Rather than buying bourbon, bitters, and sugar separately, you get those components already blended in one bottle.
Costco’s product listing identifies the drink as a blend of straight bourbon whiskey, bitters, and simple syrup. The bottle contains 1 liter and has an alcohol level of 37% ABV.
That recipe stays close to the basic structure of an Old Fashioned. The traditional cocktail is built around whiskey, sweetness, and bitters, with an orange peel commonly used as a finishing garnish.
The important difference is that the Kirkland version arrives ready to pour. You do not need a mixing glass, bar spoon, measuring jigger, or bottle of bitters.
That makes it particularly attractive when you are hosting friends. Instead of making six individual cocktails, you can chill the bottle, pour over ice, add a garnish, and get back to your guests.
It also makes the product useful for people who like cocktails but do not want to become home bartenders. The trade-off is control: a homemade Old Fashioned lets you choose the bourbon, sweetness, bitters, dilution, and orange expression yourself.
What does Kirkland Old Fashioned taste like?
The flavor is best described as bourbon-forward, sweet, spicy, and aromatic, although different tasters emphasize different elements.
Tastings awarded the Kirkland Signature Old Fashioned 85 points and described aromas and flavors including cherry, almond, whiskey barrel, orange blossom honey, pepper, cinnamon, and cedar. The review also characterized the drink as sweet with a hot, lengthy finish.
Other tastings have been less enthusiastic about the balance. One review found the whiskey less prominent than expected while noting a strong bitters character and sweetness that did not quite have the richness of a high-quality homemade Old Fashioned.
That difference in opinion is worth understanding.
A ready-made cocktail has to work for a broad audience. A bartender making your drink can adjust the recipe according to your taste. A bottled cocktail cannot do that, so the producer has to choose one fixed balance.
If you prefer bold whiskey and noticeable sweetness, the Kirkland bottle may suit you nicely. If you normally make a dry, spirit-forward Old Fashioned with very little sugar, you may find it sweeter and less nuanced than your homemade version.
That does not make one opinion right and the other wrong. It simply shows why personal preference matters so much with a cocktail this simple.
How strong is the Kirkland Old Fashioned?
The Kirkland Old Fashioned is 37% ABV, or 74 proof. That is considerably stronger than many canned or bottled ready-to-drink cocktails, which often have a lower alcohol percentage.
The number is important because this drink can look deceptively easy to consume. It comes from a large bottle and pours like a cocktail mixer, but it has a strength much closer to full-strength spirits than to a typical light canned cocktail.
A 1-liter bottle contains approximately 33.8 U.S. fluid ounces. That means it holds a substantial amount of alcohol overall, even though you normally serve the cocktail in smaller portions.
For that reason, treat it like a real whiskey cocktail, not a soft drink.
Ice also changes the drinking experience. As the cocktail sits over ice, melting water gradually dilutes it, softening the alcohol and opening up some flavors.
A useful approach is to pour a modest serving over a large ice cube and let it rest for a few minutes. You can always add more later; you cannot undo an oversized pour.
What bourbon is used in Kirkland Old Fashioned?
This is one of the questions whiskey enthusiasts naturally ask, and the answer requires some caution.
The product is described as containing straight bourbon whiskey, but publicly available product information does not identify a specific bourbon distillery or mash bill for the whiskey used in the finished cocktail. A Tasting Table review also noted that the label did not identify where the bourbon was aged.
That is different from Costco’s standalone Kirkland Signature bourbon bottles, which are separate products.
In other words, you should not automatically assume that the bourbon in this premixed cocktail is the same whiskey sold under another Kirkland bourbon label.
The distinction matters because whiskey fans often try to reverse-engineer Kirkland spirits by comparing them with well-known producers. Unless the producer or Costco confirms the source, those comparisons remain speculation.
Best practice: judge the bottled Old Fashioned as its own cocktail rather than buying it based on rumors about who made the bourbon.
The drink’s final flavor comes from the entire formula—whiskey, bitters, syrup, dilution, and production—not just from the identity of the underlying bourbon.
Is Kirkland Old Fashioned sweet?
Yes, sweetness is one of the most noticeable characteristics reported by reviewers and drinkers.
The drink contains simple syrup, which provides the sugar needed to balance the bourbon and bitters. Tastings described the cocktail as very sweet, while other reviews and user discussions have also mentioned sweetness as a defining feature.
Whether that is a problem depends on your normal Old Fashioned preference.
If you like a classic cocktail with a noticeable sweet edge, you may find the balance enjoyable straight from the bottle. If you usually use a small amount of demerara syrup or barely sweeten your drink, the Kirkland version may taste heavy.
Fortunately, sweetness is easy to manage.
Serve it over a large amount of ice and allow some dilution. You can also add a small amount of bourbon to a serving if you want to reduce the perceived sweetness while increasing the whiskey character.
Another option is to add a few dashes of additional bitters. That changes the balance without simply adding more alcohol.
Do not make the mistake of pouring several extra ingredients into the entire bottle. Experiment with one glass first. That way, you can adjust the flavor without sacrificing the whole batch.
How should you serve Kirkland Old Fashioned?
The easiest and arguably best starting point is a rocks glass with ice.
A traditional Old Fashioned glass has a sturdy base and enough room for ice and a modest cocktail. A large cube or a few substantial ice cubes work better than a glass packed with tiny pieces of ice because large ice melts more slowly.
Pour the cocktail over the ice and give it a gentle stir. You do not need to shake it.
For a classic finish, express an orange peel over the surface. Rub the colored side of the peel lightly around the rim before dropping it into the glass.
That small step can make a surprisingly big difference. Orange oils add a fresh aroma that balances the darker bourbon and bitters notes.
A maraschino cherry is another familiar garnish. You can use one if you enjoy the sweeter, nostalgic style, although an orange peel gives the drink a more traditional cocktail-bar feel.
For a more polished presentation:
- Use a heavy rocks glass.
- Add one large clear ice cube if available.
- Pour slowly.
- Express fresh orange peel over the drink.
- Add the peel rather than drowning the cocktail in fruit.
- Serve immediately, then allow gradual dilution.
The goal is simple elegance, not decoration for decoration’s sake.
Can you drink Kirkland Old Fashioned straight from the bottle?
You technically can pour and drink it without any additional preparation because it is specifically sold as a ready-to-drink cocktail. However, serving it over ice usually produces a more enjoyable experience.
The extra dilution matters because the drink is 37% ABV. Chilling it and allowing controlled melting can make the alcohol feel less aggressive. One current Costco product listing recommends the premixed cocktail as ready to drink, while other product information specifically suggests serving it over ice.
If the bottle has been stored at room temperature, pouring it over ice is particularly helpful.
You can also refrigerate the bottle before serving. A cold cocktail generally feels smoother and more refreshing, although chilling can temporarily mute some aromas.
For a tasting, I would actually try it two ways: first over ice and then with a fresh orange peel. That simple comparison tells you quickly whether the cocktail needs anything else.
Avoid assuming that adding ingredients automatically improves it. Sometimes the easiest upgrade is simply better ice and a fresh garnish.
How can you make Kirkland Old Fashioned taste better?
The beauty of a premixed cocktail is that you can improve it one glass at a time.
Start with ice and orange. That alone may be enough.
If you want more bourbon character, add a small splash of bourbon. This raises the alcohol level, so use restraint. You are trying to rebalance the cocktail, not turn it into straight whiskey.
If sweetness bothers you, additional bitters can help. Aromatic bitters introduce spice and bitterness that can counter the syrupy impression.
Fresh orange peel is another excellent upgrade because the citrus aroma makes the drink feel brighter without adding much liquid.
For an easy at-home upgrade, try this:
- Fill a rocks glass with one large ice cube.
- Pour in about two ounces of the premixed cocktail.
- Stir gently for several seconds.
- Express a fresh orange peel over the surface.
- Taste before adding anything else.
- If it feels too sweet, add a few drops or dashes of bitters.
- If it lacks whiskey depth, add a small splash of bourbon.
The key is incremental adjustment.
Do not treat the bottled cocktail like a failed homemade drink that needs rescuing. Start with what is already there and make one small change at a time.
How does Kirkland Old Fashioned compare with homemade?
A homemade Old Fashioned wins on customization. You can select a bourbon with exactly the flavor profile you want, choose demerara syrup instead of standard simple syrup, control the amount of bitters, and decide how much dilution the drink receives.
It also does not take much time to make one.
A basic homemade version requires whiskey, sugar or syrup, bitters, ice, and an orange peel. Once you have the ingredients, making one cocktail takes only a few minutes.
So why buy the Kirkland bottle?
Convenience.
That is the strongest argument for the premixed version. If you are hosting a party, traveling somewhere appropriate for the product, or simply want a cocktail after a long day without measuring anything, convenience has real value.
A homemade Old Fashioned is also more personal. You can make it lighter, drier, sweeter, smokier, fruitier, or more bitter.
The Kirkland version is more consistent. Every pour starts from the same formula.
Think of it this way:
Kirkland bottled versionHomemade Old FashionedVery convenientMore hands-onConsistent flavorFully customizableNo measuring requiredRequires ingredientsEasy for entertainingBetter for cocktail experimentation37% ABVStrength depends on recipeGood for quick serviceBetter for tailoring to one person’s taste
Neither option has to replace the other.
Keep a bottle of Kirkland around for convenience and make your own when you want the full cocktail-making experience.
Is Kirkland Old Fashioned worth the price?
Value depends heavily on the local Costco price, availability, taxes, and whether you compare it with bottled cocktails or homemade drinks.
For example, current listings show noticeably different prices in different markets. Costco’s same-day delivery listing currently shows a 1-liter bottle at $19.69 in one market, while Maine Spirits lists the same 1-liter, 74-proof product at $27.99.
That variation is a good reminder not to treat one online price as a universal Costco price.
A 1-liter bottle also contains a large amount of cocktail, so comparing the sticker price alone can be misleading. You need to consider how much you actually pour per serving.
The best value comes when you genuinely value the convenience.
If you already have an excellent bourbon, quality bitters, and syrup at home, making your own may deliver a better drink for your personal taste.
If you rarely make cocktails and would otherwise buy individual drinks at a bar, a bottle of premixed Old Fashioned can be a practical alternative.
The question is not simply “Is it cheap?”
The better question is “Does the convenience justify the price for the way I drink?”
For many casual cocktail drinkers, that answer will be yes.
Where can you buy Kirkland Old Fashioned?
The product is associated with Costco and the Kirkland Signature brand. Availability can vary by state, store, local alcohol laws, and current inventory.
Costco’s same-day delivery site currently lists the Tennessee 1-liter version under item number 1795043, although the displayed inventory can change quickly.
Some state-controlled liquor systems also list the product. Maine Spirits, for example, currently lists the 1-liter Kirkland Signature Old Fashioned RTD at 74 proof.
This means an internet search may show the product even when your local Costco does not have it.
The smartest way to check is to search your local Costco inventory or contact the warehouse’s liquor department where applicable. Remember that alcohol sales and delivery rules differ between states.
Also watch for outdated articles. The product launched around early 2025, so many early reviews contain introductory prices or availability information that may no longer apply.
Do not assume an old price is today’s price. Check the local listing before planning a purchase around it.
What are the best food pairings for Kirkland Old Fashioned?
An Old Fashioned’s bourbon, sugar, and bitters profile works particularly well with food that has salt, smoke, char, or rich savory flavors.
A burger is an obvious match. The sweetness and whiskey notes can stand up to grilled beef, while the bitters and orange aroma provide contrast.
Other good options include:
- Grilled steak
- Barbecue
- Smoked brisket
- Bacon cheeseburgers
- Roasted pork
- Sharp cheeses
- Dark chocolate
- Salted nuts
- Caramel desserts
- Grilled sausages
For a dinner party, you do not need to build an elaborate menu. A platter of smoked meats, cheese, crackers, pickles, and roasted nuts can work beautifully.
The drink’s sweetness also makes it interesting with salty snacks. A small amount of salt can make the bourbon’s sweeter notes feel more balanced.
For dessert, dark chocolate is especially appealing because its bitterness mirrors some of the cocktail’s bitters and whiskey character.
One pairing mistake is choosing food that is extremely sweet. A heavily sugary dessert can make an already sweet cocktail taste even sweeter.
If you are serving a rich dessert, keep the cocktail well chilled and use an orange peel to add aromatic freshness.
What are the common mistakes when serving Kirkland Old Fashioned?
The first mistake is serving too much at once. Because the bottle is ready to pour, it is easy to forget that 37% ABV is strong.
The second is using poor ice. Tiny, rapidly melting cubes can dilute the cocktail too quickly. Large cubes generally give you more control.
The third mistake is skipping the garnish. You do not need an elaborate cocktail garnish, but fresh orange peel can add an important aromatic layer.
Another common error is assuming that every Old Fashioned should taste exactly the same. Recipes vary. Some are dry and whiskey-heavy; others are sweeter and more aromatic.
There is also a temptation to add bourbon immediately because the bottled version tastes sweet. Taste it first after a few minutes over ice. Dilution may solve more of the problem than you expect.
Avoid these habits:
- Do not treat it like a low-alcohol canned cocktail.
- Do not pour an oversized serving simply because the bottle is convenient.
- Do not add five ingredients before tasting it.
- Do not judge it while it is warm if you normally prefer chilled cocktails.
- Do not assume internet rumors identify the bourbon source.
- Do not rely on an old price or availability claim.
A little restraint usually produces a better glass.
Who should buy Kirkland Old Fashioned?
The product makes the most sense for convenience-focused whiskey drinkers.
It is particularly useful if you:
- Enjoy Old Fashioneds but dislike mixing them.
- Want an easy drink for guests.
- Prefer bourbon-forward cocktails.
- Like having a bottle ready in the refrigerator.
- Want consistent pours.
- Do not keep cocktail ingredients at home.
- Need a simple option for casual entertaining.
It may be less appealing if you are a serious cocktail hobbyist who enjoys comparing bourbons, adjusting syrup ratios, selecting bitters, and controlling dilution.
For that person, making an Old Fashioned from scratch is part of the pleasure.
There is also a middle ground. Buy the Kirkland bottle and use it as a base for experimentation.
Try one glass with orange. Another with additional bitters. Another with a small bourbon float. Compare them side by side.
That approach gives you convenience while still allowing you to develop your palate.
Conclusion
The Kirkland Signature Old Fashioned is best understood as a convenient, strong, sweet, bourbon-based ready-to-drink cocktail, rather than a replacement for a carefully crafted cocktail-bar Old Fashioned.
Its 37% ABV sets it apart from many lighter RTD drinks, while the blend of straight bourbon whiskey, bitters, and simple syrup keeps the recipe close to the familiar Old Fashioned formula.
Reviews are mixed in the details, but they generally agree that the drink has a clear bourbon presence and noticeable sweetness. Tastings gave it 85 points and highlighted cherry, almond, honey, spice, and barrel notes, while other reviewers found the balance less refined than a homemade version.
That makes the buying decision fairly simple.
If you want maximum convenience, it is worth trying.
If you want a cocktail tailored exactly to your palate, make one yourself.
And if you already have the bottle, do not overcomplicate it. Pour a modest serving over a large cube, express a fresh orange peel, take a sip, and adjust only if necessary.
Sometimes the best cocktail upgrade is not another ingredient. It is simply serving the drink with a little more care.
Frequently Asked Questions About Kirkland Old Fashioned
1. Is Kirkland Old Fashioned made with bourbon?
Yes. Costco’s product information describes it as a blend of straight bourbon whiskey, bitters, and simple syrup. The finished ready-to-drink cocktail is 37% ABV.
2. How strong is Kirkland Old Fashioned?
It is 37% ABV, or 74 proof. That is a relatively strong ready-to-drink cocktail, so it should be treated more like a traditional whiskey cocktail than a light canned beverage.
3. Is Kirkland Old Fashioned too sweet?
Some reviewers and drinkers find it noticeably sweet. Others enjoy that balance. If you prefer a drier Old Fashioned, try serving it over a large ice cube and allowing some dilution before making further adjustments.
4. What is the best way to drink Kirkland Old Fashioned?
Pour it over a large ice cube in a rocks glass and garnish with fresh orange peel. The ice helps chill and dilute the cocktail, while the orange oils add brightness to the bourbon and bitters profile.
5. Can you add bourbon to Kirkland Old Fashioned?
Yes, if you want a stronger whiskey character or less perceived sweetness. Start with a small splash rather than adding a large amount. Taste the drink after mixing before adding more.
6. How much does Kirkland Old Fashioned cost?
The price varies by location. Current listings show examples around $19.69 to $27.99 for a 1-liter bottle, but local Costco prices, taxes, and alcohol regulations can differ.
7. Is Kirkland Old Fashioned better than making one at home?
It depends on what you value. A homemade Old Fashioned gives you much greater control over the bourbon, sweetness, bitters, dilution, and garnish. Kirkland’s biggest advantage is speed and consistency: pour, add ice, garnish, and serve.
