Pascal’s Precision Sour
A classic whiskey sour enhanced with a dash of aromatic bitters and a smooth egg white foam for a silky texture. This cocktails-inspired cocktails & drinks ready in about 7 minutes brings together bourbon whiskey, fresh lemon juice, rich simple syrup (2:1) 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 210 calories and feeds 1, so it works for entertaining, brunch, or a non-alcoholic option at the bar cart. Tap "Plan a meal with the AI" 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 bourbon whiskey
- 3/4 oz fresh lemon juice
- 1/2 oz rich simple syrup (2:1)
- 1 egg white
- 2 dashes Angostura bitters
Instructions
- Step 1: Add 2 oz bourbon, 3/4 oz fresh lemon juice, 1/2 oz rich simple syrup, and 1 egg white into a cocktail shaker without ice.
- Step 2: Dry shake vigorously for 20 seconds to emulsify the egg white.
- Step 3: Fill the shaker with ice cubes and shake again for 15 seconds until the outside is frosty.
- Step 4: Double strain into a chilled coupe glass to ensure a smooth texture.
- Step 5: Add 2 dashes of Angostura bitters on the foam and use a toothpick to create a decorative pattern.
- Step 6: Garnish with a thin lemon twist, expressed over the glass to release oils, then placed on the rim.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Pascal’s Precision Sour take to make?
Total time is about 7 minutes (7 min prep + 0 min cook). Most home bartenders find this fits a single afternoon; scale up the batch for parties or pitchers.
How do I store leftover Pascal’s Precision Sour?
Refrigerate any leftover pascal’s precision sour in a sealed pitcher or jar for up to 3–4 days. Do not reheat — drinks are served chilled. If the recipe uses sparkling water or fresh herbs, hold those back and add fresh just before pouring so the drink stays bright and fizzy.
Can I substitute ingredients in Pascal’s Precision Sour?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Pascal’s Precision Sour for a different number of people?
The recipe is written for 1 servings. Multiply each ingredient by (your serving target / 1). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Pascal’s Precision Sour?
Cocktails cocktails & drinks like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
