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Elderflower Whisky Sour Cocktail Recipe

Elderflower Whisky Sour Cocktail Recipe
I mix whisky, lemon juice, and elderflower liqueur for a sweet-tart drink with a floral kick. You’ll want the right tools and fresh stuff for the best results—trust me, it shows.
John
Prep Time 5 minutes
Total Time 5 minutes
Serving Size 1

Equipment

  • Cocktail shaker: I use this to get everything cold and mixed up nicely with ice.
  • Jigger or measuring cup: Precise pours make a difference, so I always measure.
  • Strainer: Keeps out ice shards and any stray lemon seeds.
  • Juicer: Fresh lemon juice is a must. I grab a hand juicer or whatever I have on hand.
  • Mixing glass: Sometimes I pre-mix before shaking, especially if I’m making a few at once.
  • Sharp knife and cutting board: For slicing lemons—juice and garnish both need it.
  • Lowball or rocks glass: This is the classic choice for serving. Anything short and sturdy works

Ingredients

  • 2 oz whisky bourbon or rye—just pick your favorite
  • 0.75 oz elderflower liqueur St-Germain is a solid pick
  • 1 oz freshly squeezed lemon juice
  • 0.5 oz simple syrup I do equal parts sugar and water
  • 1 egg white optional, for that foamy top—some people skip it, I like it
  • Ice cubes
  • Lemon wheel or twist garnish makes it look pro
  • Fresh edible flowers or herbs mint’s nice, but totally optional

Instructions

  • Start by filling your cocktail shaker with ice.
  • Pour in the whisky, elderflower liqueur, lemon juice, and simple syrup.
  • If you’re using egg white, add it before the ice and give everything a “dry shake” first—then add ice and shake again. (It’s a little extra work, but the foam is worth it.)
  • Shake hard for about 15–20 seconds. The shaker should feel really cold in your hands by the end.
  • Strain into a rocks glass over fresh ice, or straight up into a chilled glass if that’s more your style.
  • Garnish with a lemon wheel, twist, or maybe a flower if you’re feeling fancy.

Notes

I always stick with fresh lemon juice. Bottled stuff just tastes off and dulls the drink.
Egg white? Totally up to you. It adds a smooth, silky foam, but if someone’s allergic or just weirded out, skip it—or use pasteurized eggs if you’re cautious.
Quality matters, especially with whisky and elderflower liqueur. Cheap bottles really flatten the flavor. I like to chill my glass first—just fill it with ice water and dump it before straining in the drink.
Want it sweeter? Add a bit more simple syrup. If you’re craving more tartness, up the lemon juice. On hot days, I sometimes top it with club soda for a lighter vibe.