Introduction
This keto sparkling cranberry and rosemary mocktail gives you a festive drink that stays within your eating plan. Tart unsweetened cranberry juice meets fragrant fresh rosemary, and sparkling water on top makes it bubbly.
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It takes a few minutes and a handful of ingredients, so you can make it even when you are short on time and still have something special for guests. At a festive brunch or a casual evening get-together, everyone can raise the same glass, whatever their diet.
Key ingredients
Unsweetened cranberry juice (1 cup)
Unsweetened cranberry juice is the base. It is tart, refreshing and low in sugar, which suits a keto diet.
Sparkling water (2 cups)
Sparkling water adds fizz without calories or carbs.
Fresh rosemary (1 sprig)
Fresh rosemary adds a fragrant herbal note that goes well with the tart cranberry.
Lime juice (1 tablespoon)
A splash of lime juice brightens the drink and balances the flavors.
Sweetener (to taste)
Add a keto-friendly sweetener to your liking. The drink stays low in sugar either way.
Ice
Ice chills the drink and makes the glass look inviting.

Why you’ll love this recipe
It takes just five minutes from prep to pour, so you can serve something impressive without spending time in the kitchen. Tart cranberry with fragrant rosemary is a less common pairing than most mocktails offer, and it stands out at a gathering.
It works for a celebration or for unwinding after a long day. Because you set the sweetness yourself, each glass can be left tart or made sweeter, and it stays keto either way.
Variations
Fruity twist
Add a splash of keto-friendly fruit puree, such as raspberry or strawberry. Adjust the sweetener to match.
Herbal alternatives
Mint or basil can replace the rosemary. Both go well with the tart cranberry juice and give the drink a different aroma.
Seasonal variations
In the fall, a dash of cinnamon or a hint of pumpkin spice adds warmth. In the summer, muddle in a few fresh citrus slices for extra zing.

Cooking tips and notes
Perfecting your mocktail
With so few ingredients, quality shows. Use the freshest rosemary you can find and a good unsweetened cranberry juice. Adjust the lime juice or sweetener to your taste.
Presentation matters
Clear glasses show off the bright color of the drink. A few fresh cranberries as a garnish look good and add flavor, and a sprig of rosemary adds aroma.
Make it ahead of time
For a gathering, mix the cranberry and lime juice ahead and keep it in the refrigerator. When guests arrive, pour it over ice, top with sparkling water and garnish, and you are out of the kitchen in a minute.
Serving suggestions
Perfect pairings
The mocktail goes well with light bites and appetizers. For brunch, serve it with avocado toast topped with feta or a cucumber salad; the tart cranberry works with both.
Celebratory occasions
Serve it at holiday gatherings or birthdays, or offer it as a welcome drink. You can also set up a mocktail bar so guests add their own garnishes, like fresh mint, lime wedges or flavored keto syrups.
Outdoor gatherings
For a picnic or backyard barbecue, pack it in a thermos or mason jar to keep it cool. On a warm day it is a good choice for anyone who wants a drink without the added sugar of traditional cocktails.

Time breakdown
Preparation
Preparation takes only about 5 minutes, most of it gathering the ingredients.
Mixing
Combine the cranberry juice, lime juice and sweetener, then top with sparkling water and ice.
Total
Expect about 5 minutes from start to finish.
Nutritional facts
Overview
The mocktail is low in calories and fits a ketogenic diet. Each serving contains just 50 calories.
Detailed breakdown
Each serving has 5 grams of sugar and 5 grams of carbohydrates, with no fat or protein. There are 0 grams of sodium and no cholesterol.
Unsweetened cranberry juice and fresh rosemary also bring some antioxidants along with the flavor.
Frequently asked questions
What is a Keto Sparkling Cranberry and Rosemary Mocktail?
A drink made with unsweetened cranberry juice, fresh rosemary, lime juice and sparkling water. It is low in calories and sugar, so it suits a keto diet.
How many calories are in the mocktail?
Each serving contains only 50 calories.
Can I adjust the sweetness of the mocktail?
Yes. Add your preferred keto-friendly sweetener to taste.
Is this mocktail suitable for parties?
Yes. It looks festive and gives guests who prefer non-alcoholic drinks something special to sip.
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Written and edited by The Foodie Yummy Kitchen Team
The Foodie Yummy Kitchen Team writes and edits the recipes on Foodie Yummy: classic American potluck salads, holiday sides and easy comfort food, with a few low-carb options. Every recipe lists exact quantities, numbered steps and a printable recipe card, plus notes on swaps, storage and make-ahead timing. Spot a problem with a recipe? Tell us through the contact page and we will correct it. About us
Keto Sparkling Cranberry and Rosemary Mocktail
Ingredients
Instructions
In a glass, combine unsweetened cranberry juice and lime juice.
Add sweetener to taste and stir well.
Fill the glass with ice.
Top with sparkling water.
Garnish with a sprig of fresh rosemary.
Notes
For extra flavor, add a few fresh cranberries as garnish.
Adjust sweetness based on personal preference.
Nutrition
| Serving Size | 1 serving |
|---|---|
| Calories | 50 calories |
| Sugar Content | 5g |
| Sodium Content | 0mg |
| Fat Content | 0g |
| Saturated Fat Content | 0g |
| Unsaturated Fat Content | 0g |
| Trans Fat Content | 0g |
| Carbohydrate Content | 5g |
| Fiber Content | 0g |
| Protein Content | 0g |
| Cholesterol Content | 0mg |
