Whiskey Smash Cocktail Recipe | CookOS
A Whiskey Smash is a light, refreshing bourbon cocktail made with fresh mint, sugar, and carbonated water. Its bright mint forward flavor and fizzy texture make it an ideal warm-weather whiskey drink.
Ingredients1 lump Sugar (or to taste) 1 oz Carbonated Water CookOS Beta © 2026 · Ad-free forever
2 oz Old Mr. Boston Whiskey
4 sprig Green Mint 4 Ingredients Delivery in as fast as one hour.*
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Muddle 1 lump of sugar with
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Boston Whiskey,* then a Cube of Ice
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Stir and decorate with a slice of orange and a cherry.
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Use Old Fashioned cocktail glass.
Tips & Notes Pro tips Gently muddle mint to release oils without bruising—press rather than crush to avoid bitter flavors. Use fresh, high-quality mint for best results; avoid pre-made mint syrups which lack the fresh herbaceous quality. Add carbonated water last and stir gently to preserve fizz. Chill your glass before serving for a properly cold drink without excessive dilution. Substitutions Old Mr. Boston Whiskey → any bourbon, rye, blended, or Canadian whiskey (flavor profile will shift) Green Mint → basil or tarragon (herbaceous change, use sparingly) Carbonated Water → club soda or ginger ale (ginger ale adds sweetness) Common Questions Can I make a Whiskey Smash ahead of time? Prepare the mint and sugar base in advance, but add carbonated water and whiskey just before serving to maintain fizz and flavor.
What type of whiskey works best for a Whiskey Smash? Bourbon, rye, blended, or Canadian whiskey all work well. Choose based on flavor preference—rye adds spice, bourbon adds sweetness.
How do I properly muddle mint without bruising it? Gently press the mint against the glass with a muddler to release oils, rather than aggressively crushing, which releases bitter compounds.
Can I use simple syrup instead of a sugar lump? Yes, use ½ oz simple syrup for easier mixing, though a sugar lump adds texture and visual appeal.
What's the difference between a Whiskey Smash and a Whiskey Sour? A Whiskey Smash uses fresh mint and carbonated water for a lighter, fizzy drink, while a Whiskey Sour uses lemon juice and egg white for creaminess.
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