Blackberry Vodka Sour

This Blackberry Vodka Sour uses blackberry simple syrup in a classic vodka sour formula for a well-balanced cocktail with bright flavors of lemon and blackberry. But why stop there? Add an egg white, and you’ve got smooth mouthfeel that makes sipping this blackberry sour even easier.

Read on to learn all about the formula in sour cocktails and the detailed tips and tricks for this recipe. Or just grab your cocktail shaker, hit that Jump to Recipe button, and let’s make a blackberry vodka sour!

pink cocktail with egg white foam and blackberry garnish with small carafe of purplish red syrup, lemons, and blackberries in background.
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  • Vodka – choose a vodka that’s smooth and clean-tasting. I make our vodka cocktails with Ketel One, because it’s a great value for the price.
  • Lemon juice – fresh squeezed whenever possible.
  • Blackberry simple syrup – store-bought or make your own.
  • Egg white – the egg white was not included in the original sour cocktails, which date back to the 1800s. Leave it out if you’re concerned about foodborne illness. Or keep it in if you want that frothy topping no matter what.

If you love blackberries, check out this mixed berry smoothie bowl, blackberry cheesecake brownies, blackberry curd tart, or blackberry apple pie.


Please see the recipe card below for complete information on ingredients and quantities.

Variations and substitutions

  • Skip the egg white and add soda or tonic water for a blackberry vodka soda or blackberry vodka tonic.
  • Change up the flavor in this classic cocktail with any other homemade simple syrup. Simple syrups are easy to make and can be used to create infinite variations in vodka cocktails.
  • No fresh blackberries? Garnish with a lemon slice, lemon twist, or maraschino cherry.

About vodka sours

After the dry martini, the sour family of cocktails is one of the first sets of classic cocktails that a home bartender should master. They are easy recipes for great cocktails with a perfect balance between sweet and tart.

The basic formula for the vodka sour is two ounces of vodka, three quarters of an ounce of fresh lemon juice or lime juice, and three quarters of an ounce of simple syrup. You can, of course, make it sweeter or more sour depending on your preference.

You can take the sour formula and change it up by using a different base liquor like this Aperol sour or Frangelico sour. Make your sour with rum and lime juice, and it’s now a daiquiri. Change it to tequila and Cointreau, and that’s a margarita. Make it with gin and lime juice, and it’s a gimlet.

You can also turn a vodka sour base into a highball cocktail with some bubbly water. Add soda water and you’ve got a Vodka Collins. Add tonic water and it’s a Vodka Tonic.

Recipe tips and tricks

How to make a vodka sour

Tips from the wise quacker: the vodka sour is a shaken cocktail. If you want to include the optional egg white in your blackberry vodka sour, the key to getting the layer of foam is the dry shake method. Doing a dry shake allows you to create a foamy top without diluting your cocktail.

First, add the cocktail ingredients to your cocktail shaker without any ice and shake. Hold it tight, because the pressure is going to build up in your shaker! After about 10 to 20 seconds or so, add a half cup of ice cubes to the shaker, shake, and strain.

You can serve this up in a chilled coupe or other cocktail glass. Or serve it in a rocks glass with a large ice cube.

What to serve with a blackberry vodka sour

The sweet and tangy flavors of the blackberry vodka sour would pair well with dishes that are slightly tart or those that feature berries or citrus. How about:

Recipe FAQs

Can I use bottled lemon juice in sour cocktails instead of fresh?

I always recommend fresh lemon juice when making cocktails, but you can use bottled lemon juice in a pinch. Be sure to check if your bottled lemon juice is concentrated, and keep in mind that bottled lemon juice may have a slightly different taste than fresh.

What is the likelihood of getting sick from the raw egg white?

I cannot give you a probability. Please use your personal judgement, because consumption of raw eggs may result in foodborne illness.The original sour recipe had no egg white, so you can omit it if you are concerned about raw egg whites. If you can find them, you could use pasteurized egg whites or a tablespoon of aquafaba.

Browse the Ugly Duckling Bakery archives for other delicious mixed drinks such as:

Love cocktails and want to explore more? Read all about classic cocktails and bartender basics or join this year’s 52 weeks of cocktails challenge!

Love this recipe? Please leave a 5-heart 💜💜💜💜💜 rating in the recipe card below. Let me know how much you loved it, or any problems you had, in the comments section further down.


Vodka Sour with Blackberry Simple Syrup

5 from 1 vote
Category: Drinks
Cuisine: Unspecified
Prep Time: 5 minutes
Total Time: 5 minutes
Servings: 1
Calories: 210kcal
Adding blackberry simple syrup to a classic vodka sour produces a well-balanced cocktail with bright flavors of lemon and blackberry. The optional egg white creates a smooth mouthfeel that makes the sipping of this blackberry vodka cocktail even easier.
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  • 1 Cocktail shaker


Blackberry vodka sour

  • 2 ounces vodka
  • ¾ ounce lemon juice freshly squeezed
  • ¾ ounce blackberry simple syrup
  • 1 egg white pasteurized or see note
  • 2 blackberries for garnish


Blackberry vodka sour

  • Combine the vodka, lemon juice, ¾ ounce of blackberry simple syrup from above, and the egg white in a cocktail shaker without ice, and shake for 10 to 20 seconds. Hold your shaker tight, because it will try to pop open.
    2 ounces vodka, ¾ ounce lemon juice, ¾ ounce blackberry simple syrup, 1 egg white
  • Add a handful of ice to the shaker and shake again for 5 to 10 seconds to chill.
  • Strain into a chilled coupe and garnish with blackberries.
    2 blackberries


Make your own homemade blackberry simple syrup.
The dry shake – shaking first without ice – is important for you to get the layer of foam in this blackberry vodka sour without diluting your cocktail.
NOTE: consumption of raw eggs may result in foodborne illness.


Calories: 210kcal | Carbohydrates: 18g | Protein: 3g | Fat: 1g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Sodium: 63mg | Potassium: 91mg | Fiber: 1g | Sugar: 17g | Vitamin A: 10IU | Vitamin C: 9mg | Calcium: 7mg | Iron: 1mg
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