Lemongrass Sour Recipe

A lemongrass-infused vodka and lime sour—combined with lemon bitters suspended on a head of egg-white foam—makes for a light, delicately citrusy spring cocktail.

By
Elana Lepkowski
Elana Lepkowski is a contributing writer at Serious Eats.
Elana Lepkowski is an LA-based mixologist who shares her cocktail recipes at Serious Eats and on her award-winning blog, Stir and Strain. 
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Updated May 01, 2024
Profile view of a lemongrass sour, served in a lowball glass.

Serious Eats / Elana Lepkowski

Why It Works

  • Pressurizing vodka and chunks of bruised lemongrass in a whipping siphon and then depressurizing it quickly ruptures the cells of the lemongrass while agitating the mixture, thus rapidly infusing the vodka. (A standard one- to two-week infusing procedure is also given, for those who do not have a whipping siphon.)

Spring reminds me of the tastes and colors of Easter: neon-hued marshmallow eggs, peanut butter cup eggs, and of course, the gooey Cadbury cream egg. Plain old hard-boiled eggs colored with PAAS dye tablets, and the chocolate-coated potato-filled eggs sold at our Russian market. All nestled in glassy green cellophane grass. For me, Easter time has always been an excuse to eat as many eggs—and candies disguised as eggs—as possible.

Every year of my childhood, Easter also signaled the approaching demise of our cold and snowy New England winters. One couldn't help but feel a bit perked up with all the pastel colors waving about at the drugstore once the seasonal decoration aisle went Easter-crazy.

Closeup of a lime that has been partially zested. A zester and shreds of zest are scattered on the white surface below.

Serious Eats / Elana Lepkowski

This cocktail pays homage to both the egg and the colorful arrival of spring. It begins with lemongrass, which offers a more subdued grassy and just-bloomed floral flavor than the punchy citrus we've been eating all winter. Vodka provides a neutral backdrop so the lemongrass can shine.

There are two ways you can go about making your own fresh lemongrass vodka. The longer and more traditional way requires nothing but time. You chop and bruise the lemongrass, cover with vodka, and wait a week or two to extract the full flavor. The second method is quick—seriously quick—but requires some equipment. An instantaneous infusion can be made with a whipped cream canister and two N2O chargers. If you're the type who likes to fiddle with creating your own flavored liquors (and your home bar has space), investing in the canister might be worthwhile for you.

Overhead view of a lemongrass sour, garnished with shreds of lemon zest.

Serious Eats / Elana Lepkowski

You'll add a hefty dose of freshly squeezed lime juice to punch up the citrus and emphasize the floral notes of the lemongrass. And of course, you need a little Easter egg. An egg white, shaken till foamy, adds an extra-silky texture and softens the drink a little, and curlicues of lime zest recall the bright green grass in the Easter basket that told us it must be spring.

March 2015

Recipe Details

Lemongrass Sour Recipe

Prep 10 mins
Active 10 mins
Total 10 mins
Serves 1 serving

Ingredients

For the Lemongrass-Infused Vodka:

  • 4 lemongrass stalks

  • 2 cups vodka

For Each Cocktail:

  • 2 ounces Lemongrass-Infused Vodka

  • 3/4 ounce freshly squeezed juice from 1 lime

  • 1/2 ounce simple syrup

  • 1 large fresh egg white (see note)

  • 3 dashes lemon bitters

  • Curly lime zest, peeled with a zester, for garnish

Directions

  1. For the Lemongrass-Infused Vodka: Remove tough outer layer from each lemongrass stalk. Chop stalks into 1-inch pieces and bruise them by crushing them with the blunt side of a heavy knife. For slow infusion, add lemongrass pieces to an airtight container and cover with vodka. Seal and let stand at room temperature for 1 week, shaking daily. Taste after 1 week and continue to steep up to 2 weeks to desired flavor. Pour through fine-mesh strainer into an airtight container.

  2. Alternatively, to infuse instantly using a whipping siphon, take lemongrass pieces and add to siphon canister. Pour in vodka and seal. Charge with one N2O charger. Shake well. Charge a second time with a second N2O charger. Shake well and then discharge contents through a strainer into a clean, airtight container. Infused vodka keeps at room temperature for up to 6 months.

  3. For Each Cocktail: In a cocktail shaker, add Lemongrass-Infused Vodka, lime juice, simple syrup, and egg white. Shake without ice for 30 seconds to incorporate the egg white. Fill cocktail shaker with ice, then shake hard until well chilled, about 30 seconds. Double strain with cocktail strainer and a fine-mesh strainer into cocktail glass and garnish with lemon bitters and lime zest.

    Closeup of a finished lemongrass sour with lime zest garnish.

    Serious Eats / Elana Lepkowski

Special Equipment

Cocktail shaker, cocktail strainer, fine-mesh strainer, airtight containers, whipping siphon and two N20 chargers (optional)

Notes

For those concerned about the raw egg, use 2 tablespoons of pasteurized egg white instead.

Make-Ahead and Storage

Infused vodka will keep in an airtight, non-reactive container at room temperature for up to 6 months.

Read More

Nutrition Facts (per serving)
236Calories
5gFat
9gCarbs
6gProtein
×
Nutrition Facts
Servings: 1
Amount per serving
Calories236
% Daily Value*
Total Fat 5g6%
Saturated Fat 2g8%
Cholesterol 186mg62%
Sodium 72mg3%
Total Carbohydrate 9g3%
Dietary Fiber 0g1%
Total Sugars 7g
Protein 6g
Vitamin C 8mg38%
Calcium 32mg2%
Iron 1mg5%
Potassium 96mg2%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
(Nutrition information is calculated using an ingredient database and should be considered an estimate.)

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