Ingredients
- .5 oz Bourbon Whiskey
- 1 Dash(s) Blue Curacao Liqueur
- .5 oz Dry Vermouth
- 2 Dash(s) Bitters
Instructions
Shake Ingredients:
- In a cocktail shaker filled with crushed ice, add 0.5 oz bourbon whiskey, 1 dash blue curacao liqueur, 0.5 oz dry vermouth, and 2 dashes bitters.
Shake Well:
- Shake the mixture well to combine and chill the ingredients.
Strain:
- Strain the cocktail into an old-fashioned glass.
Serve:
- Serve immediately and enjoy the bold, smooth flavors of the Blue Denim.
Notes
Estimated Nutrition:
Where it came from
History's a bit hazy on who first mixed up a Blue Denim, but it feels like a product of the late 20th century. This isn't one you'll find in an old cocktail guide, more likely a brainchild of a bartender looking to add some visual pop.
Think of it as a whiskey cocktail that took a detour from the usual path. It's got the backbone of a short, spirit-forward drink but swaps out the traditional sweet notes for a surprising blue hue and a dry finish, making it a bit of an outlier in its family.
You'll find this one in a bar that doesn't take itself too seriously, maybe a place with neon signs and a good jukebox. It's a solid choice when you want something familiar but with a bit of a twist, without being overly complicated.
What it tastes like
Take a sip and you get that warm hug of bourbon right up front, balanced by the herbal, slightly bitter edge of dry vermouth. The blue curacao isn't just for show, it brings a subtle orange sweetness that ties it all together, while the bitters add a complex finish.
This isn't a session sipper. With half an ounce each of bourbon and vermouth, plus a dash of curacao, you're looking at a drink that punches well above a standard beer. It’s got a good kick, so treat it like you would a strong Old Fashioned, not a light spritzer.
The technique
Building a Blue Denim is straightforward: everything into a shaker with crushed ice. Really go for it with the shake, you want it properly chilled and a little diluted. Strain it neat into an old-fashioned glass, no ice, no fuss, just a cold, colorful drink.
The key here is the shake. Don't just give it a few lazy rattles. You're aiming for maximum chill and just the right amount of dilution from that crushed ice. A vigorous shake ensures those flavors marry up nicely and the drink is cold enough to cut through the spirits.
Ingredient Spotlight
The bottles that make or break this drink.
Bourbon Whiskey
- Use
- A mid-range bourbon with a good caramel and vanilla profile. Think Wild Turkey 101 or Buffalo Trace.
- Skip
- Anything too smoky or an expensive single barrel. You're mixing here, not contemplating.
- Why
- It's the muscle of the drink, providing that warm, slightly sweet foundation that holds everything else up.
Dry Vermouth
- Use
- A fresh, quality dry vermouth. Dolin or Noilly Prat are solid bets.
- Skip
- Anything that's been sitting open on the back bar for six months. It'll taste like vinegar.
- Why
- Adds a critical layer of herbal complexity and a dry counterpoint to the bourbon, stopping it from being too sweet.
Three Variations
Three real ways bartenders riff on this drink.
Sweet Denim
- For a richer, softer sip
- If you like things on the sweeter side, swap out the dry vermouth for sweet vermouth. It makes for a richer, more dessert-like sip.
Rye Denim
- A spicier, more assertive take
- For a spicier kick, use rye whiskey instead of bourbon. The peppery notes of the rye play well with the vermouth and curacao.
Denim Sour
- Bright and tangy blue
- Add 0.75 oz fresh lemon juice and 0.5 oz simple syrup before shaking for a tangy, refreshing take on the blue theme.
What if I don't have…
Quick substitutions for when the bottle shop is closed.
Use rye whiskey or even a good aged rum. The flavor will shift, but the spirit-forward character remains.
A dash of orange liqueur like Cointreau or Triple Sec works for flavor, but you'll lose the blue color. For color, a drop of blue food coloring if you're feeling cheeky.
A small splash of a dry white wine or even a hint of absinthe (very sparingly) could provide a similar herbal dryness, but it won't be the same.
A small coupe or even a chilled shot glass will do in a pinch. Just make sure it's cold.
Frequently Asked Questions
Direct answers to what people search for after Googling this drink.
What is in a Blue Denim?
The Blue Denim is built with bourbon whiskey, dry vermouth, blue curacao liqueur, and a couple dashes of bitters.
Is the Blue Denim a sweet drink?
Not overly. The dry vermouth and bitters keep it from being cloying. The blue curacao adds a hint of orange sweetness, but it's balanced by the bourbon's warmth.
What does a Blue Denim taste like?
It tastes like a spirit-forward whiskey cocktail with herbal notes, a subtle orange brightness, and a clean, dry finish. It's got a bit of a bite.
Why is it called Blue Denim?
Likely because of its distinctive blue color, reminiscent of denim fabric. It's a modern, unpretentious name for a modern drink.
Can I use other types of whiskey?
Absolutely. Rye whiskey will give it a spicier edge, while a blended Scotch would bring different smoky or malty notes. Bourbon is the standard though.
How do I make it really blue?
The dash of blue curacao provides the color. For a deeper blue, you could add a second dash, but be careful not to make it too sweet. You could also use a blue food coloring if color is your main goal.
Is this a classic cocktail?
No, the Blue Denim isn't found in any old cocktail tomes. It's a more recent creation, a fun spin on the whiskey and vermouth combination.
What kind of bitters should I use?
Angostura bitters are the standard and work well here, adding a layer of spice and complexity. Orange bitters could also be a good fit, emphasizing the curacao's orange notes.
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