A cocktail does not have to derail a keto or low-carb day. Keto blueberry sparkle cocktail uses just two ingredients, flavored vodka and sparkling water, for something that tastes like summer without the carbs of a typical mixed drink.
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I make sparkling water at home with a countertop carbonation machine, which I use daily for a lot more than just cocktails. A splash over ice and a pour of flavored vodka is really all this takes.
Most spirits are naturally low in carbs on their own. It is the mixer that usually causes the trouble, not the alcohol.
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Chef Jenn’s Take on the Blueberry Sparkle Cocktail
A lot of people assume keto and cocktails do not mix, but the spirit itself is rarely the problem. Vodka, rum, scotch, and brandy all carry essentially no carbs, no fat, and no protein on their own. For most standard 80-proof spirits, that is roughly 65 calories per ounce and nothing to track carb-wise.
The real risk is the mixer. Regular soda is loaded with sugar, some diet sodas bring non-keto sweeteners along with them, and juice is not low-carb or keto no matter how it is dressed up. That is the part of a cocktail that actually needs attention, not the alcohol itself.
Sparkling water solves that problem completely, since it adds carbonation and nothing else. A splash of flavored vodka gives you the taste of a cocktail without introducing a mixer that undoes the rest of your day. Check the label on whatever flavored vodka you use too, since flavored spirits can vary slightly brand to brand in how they are made.
What You’ll Love About the Blueberry Sparkle Cocktail
- Easy to make in a big batch for a group, since there’s no complicated ratio to scale.
- Two ingredients and about two minutes, no shaker or bar tools required.
- Nothing here to track as carbs, just flavored vodka and sparkling water.
Ingredients
- Flavored vodka – Blueberry flavored works here, though any fruit-flavored vodka would work the same way. Check the label for added sugar, since it can vary by brand.
- Sparkling water – Plain, unflavored works best so it doesn’t compete with the vodka’s flavor.
- Ice – A few cubes to keep the drink cold.
How to Make the Blueberry Sparkle Cocktail
Scroll down for the full recipe card with exact measurements and printable instructions.
Fill a tumbler with a few ice cubes. Pour the flavored vodka over the ice. Top with sparkling water, adjusting the amount to your taste and the size of your glass. Give it a gentle stir and serve right away, while the sparkling water is still fully carbonated.
Make It A Meal
This is built for sipping alongside something hearty. White Chicken Chili is my go-to pairing on a summer evening. For something to start the night with, Crab Rangoon Dip works well as an appetizer alongside a round of these.
Storage
This is a drink meant to be made fresh, not stored. Sparkling water goes flat within minutes once mixed, so build each glass right before serving. The vodka itself keeps indefinitely in the freezer or at room temperature, sealed, the same as any spirit.
Frequently Asked Questions
This drink runs close to 0 net carbs, since both flavored vodka and sparkling water carry essentially no carbohydrates on their own. Always check the label of your specific flavored vodka, since brands can vary slightly.
Yes, any fruit-flavored vodka or spirit works using the same ratio of alcohol to sparkling water. Just check the label for added sugar first.
Most straight spirits, including vodka, rum, scotch, and brandy, carry no carbs on their own. The mixer is usually where the carbs come from, not the alcohol itself, so a low-carb mixer like sparkling water is the key.
Yes, sparkling water with a splash of sugar-free flavor drops or a squeeze of fresh berries makes a reasonable mocktail version if you’d rather skip the vodka.
Add Preferred SourceBlueberry Sparkle
Ingredients
- 1.5 ounce Blueberry flavored Smirnoff Vodka
- 6 ounces sparkling water
- 4 ice cubes
Instructions
- Add the vodka to a tumbler, add 6-8 ounces of sparkling water, depending on the size of your glass, and a few ice cubes to keep it cold.
Nutrition
A Note on Nutritional Information
Nutritional information for this recipe is provided as a courtesy and is calculated based on available online ingredient information. It is only an approximate value. The accuracy of the nutritional information for any recipe on this site cannot be guaranteed. Erythritol carbs (sugar substitutes) are not included in the carbohydrate counts as they have been shown not to impact blood sugar, and they have zero calories and zero carbs. Net carbs are the total carbs minus fiber.
We had a soda stream (old style) when I was growing up – I bet they’ve come a long way! I want to get one to try!
It’s seriously one of the best investments I’ve ever made – I use it daily, and not just for cocktails!
I’ve seen this soda stream advertised & always thought it was a great idea. This cocktail looks great! Thanks for sharing.
I hope you get a chance to try it!