Kentucky Sour with Lemon Verbena Foam
A refined whiskey sour featuring Kentucky bourbon, house-made lemon verbena syrup, and a velvety egg white foam that melts on the tongue. This recipe, ready in about 5 minutes, brings together Kentucky straight bourbon, fresh lemon juice, and lemon verbena syrup for a refreshing, crowd-pleasing drink — a bright, easy pour for parties, gatherings, or any warm-weather afternoon when you want something festive without alcohol-only options. Each serving lands at about 190 calories and feeds 1, so it works for entertaining, brunch, or a non-alcoholic option at the bar cart. Tap "Add this recipe to your weekly plan" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 2 oz Kentucky straight bourbon
- 3/4 oz fresh lemon juice
- 1/2 oz lemon verbena syrup
- 1/2 oz egg white
- 1/4 oz simple syrup
- 1 lemon twist
The shaker and jigger we’d mix this with → Best Bar Tools for 2026: Shakers, Jiggers & Strainers Worth Buying
Affiliate disclosure: AislePrompt may earn a commission on qualifying purchases made through Amazon links, at no additional cost to you. See our policy →
Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: In a cocktail shaker, combine 2 oz bourbon, 3/4 oz fresh lemon juice, 1/2 oz lemon verbena syrup, and 1/2 oz egg white.
- Step 2: Add ice to fill the shaker, then dry shake vigorously for 15 seconds until frothy and the shaker becomes cold to the touch.
- Step 3: Add fresh ice, then shake again for 10 seconds until well-chilled and the foam is dense and billowy.
- Step 4: Strain into a chilled coupe glass, garnish with a lemon twist, and express the oils over the drink by twisting the peel over the surface.









