Vodka Sour with Blackberry Simple Syrup

Blackberry simple syrup added to a classic vodka sour produces a well-balanced cocktail with bright flavors of lemon and blackberry. And the optional egg white creates a smooth mouthfeel that makes the sipping even easier.

This vodka sour with blackberry simple syrup was created for this week’s challenge in my 52 weeks of cocktails challenge (week 22: simple syrups). Simple syrups are so easy to make and can be used to create infinite variations in classic cocktails.

And you really can’t beat the color.

a pink cocktail with foam and blackberry garnish with blackberry simple syrup, lemons, and blackberries.

Tips and tricks for this cocktail recipe

The classic sour cocktail

The basic formula for the sour is two ounces of spirit, three quarters of an ounce of lemon 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.

The egg white was not included in the original sour cocktails, which date back to the 1800s. So please leave it out if you are concerned about foodborne illness.

You can take the above sour formula and change it up just by using a different spirit. Make your sour with rum and lime juice, and you have a daiquiri. Change it to tequila, and that’s a margarita. Make it with gin and lime juice, and it’s a gimlet.

And then add in your favorite flavored simple syrup.

How to make blackberry simple syrup

Simple syrups for cocktails are just sugar syrups, usually with equal amounts of sugar and water. This blackberry simple syrup is responsible for the flavor and that bright pink color in this vodka sour.

Making blackberry simple syrup is really very easy. Just combine sugar and water in a pot over low heat until the sugar dissolves. Add the berries and then turn off the heat and let it all cool.

a cutting board with cup of sugar and frozen blackberries.

There’s no mashing the berries and fighting with a fine mesh strainer like you need to do to make the blackberry syrup in my blackberry swirl cream cheese brownies. Just strain the syrup into a glass jar.

Those berries are great on their own as a snack or atop a bowl of yogurt.

How to make this vodka sour

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 it to foam is a dry shake. Doing a dry shake, like in this creamy espresso martini or gin espresso martini, allows you to create a foamy top without diluting your drink.

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 ice to the shaker, shake, and strain.

FAQs about this blackberry vodka sour

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

The original sour recipe had no egg white, so you can totally omit it. If you can find them, you could use pasteurized egg whites or aquafaba. I cannot say the likelihood. Please use your personal judgement, because consumption of raw eggs may result in foodborne illness.

Can I freeze the blackberry simple syrup?

Maybe. You can try to freeze your simple syrup in an ice cube tray for future vodka sours. But it may only work if you have a deep freezer. That’s because adding sugar or other solute to water lowers the freezing point.

Related recipes

Check out the uglyducklingbakery beverage archives for other delicious cocktails such as the elderflower Collins, brandy manhattan, or Negroni spritz. Or, if you love the combination of blackberries and lemon, check out this blackberry lemon quick bread.

Vodka Sour with Blackberry Simple Syrup

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 even easier.
Course Drinks
Cuisine Unspecified
Prep Time 30 minutes
Cook Time 5 minutes
Total Time 35 minutes
Servings 1
Calories 210kcal
Author uglyducklingbakery

Equipment

  • 1 Cocktail shaker

Ingredients

Blackberry simple syrup

  • 1 cup sugar
  • 1 cup water
  • 1 cup blackberries, fresh or frozen

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

Instructions

Blackberry simple syrup

  • Combine the sugar and water in a small pot over medium-low heat, stirring occasionally until the sugar has dissolved in the water. Do not let boil.
    1 cup sugar, 1 cup water, 1 cup blackberries, fresh or frozen
  • Add the blackberries and cook for a minute or so. Turn off the heat and let the syrup cool to room temperature.
  • Strain the syrup into a clean glass jar.

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 10-20 seconds. Hold your shaker tight, because it will try to pop open.
    2 ounces vodka, ¾ ounce lemon juice, freshly squeezed, ¾ ounce blackberry simple syrup, 1 egg white
  • Add a handful of ice to the shaker and shake again for 5 seconds.
  • Strain into a chilled coupe and garnish with blackberries.
    2 blackberries

Notes

NOTE: consumption of raw eggs may result in foodborne illness.

Nutrition

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

What’s next?

If you make this blackberry vodka sour, please leave a comment and rating here. Or share a pic with me on Instagram and join the 52 weeks of cocktails challenge.

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