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Zesty Keto-Friendly Moscow Mule (Sugar-Free)

Recipe by Laura Santiago

This refreshing cocktail delivers the classic spicy kick and citrus zest you expect from a traditional mule, but without the added sugars. It features the crisp bite of ginger paired with smooth vodka and tart lime, making it a satisfying, bubbly option for happy hour or a relaxing evening. It’s simple to build in the glass and full of flavor.

  • Total Time2 minutes
  • Yield1 serving 1x

Ingredients

Scale
  • 1 1/2 cups ice cubes (or enough to fill the mug)
  • 2 fl oz vodka (quality unflavored brand preferred) (60 ml)
  • 1/2 fl oz fresh lime juice (about 1/2 a medium lime) (15 ml)
  • 6–8 fl oz diet ginger beer or sugar-free ginger ale (chilled) (180–240 ml)
  • 1 sprig fresh mint (for garnish and aroma)
  • Optional: 1 lime wheel (for garnish)

Instructions

  1. Prepare the mug: Fill a copper mug or highball glass to the top with ice cubes. The copper mug helps keep the drink distinctively frosty, but any glass works.
  2. Add the spirits: Pour the vodka and fresh lime juice directly over the ice.
  3. Top and stir: Slowly pour the diet ginger beer into the glass to fill (about 6 to 8 ounces, depending on glass size). Give the mixture a single, gentle stir with a spoon or straw to combine without killing the carbonation.
  4. Garnish and serve: Clap the fresh mint sprig between your hands once to release its oils and tuck it into the ice. Add a lime wheel if desired and serve immediately while ice-cold.

Notes

Why it works:

  • Temperature Control: Using a copper mug and plenty of ice keeps the liquid temperature extremely low, which suppresses the “burn” of the alcohol and highlights the crisp ginger flavor.
  • Acid Balance: Fresh lime juice cuts through the earthiness of the ginger, providing a bright finish that bottled juice cannot replicate.

Key Success Warnings:

  • Ginger Beer vs. Ale: Diet Ginger Beer usually has a much stronger, spicier ginger kick than Ginger Ale. For the authentic experience, look for a “Diet” or “Zero Sugar” Ginger Beer.
  • Don’t Over-stir: Stirring too vigorously effectively flattens the drink. A quick lift of the spoon is all you need.
  • Ice Quality: Use fresh ice. Old freezer ice can absorb odors that ruin the clean taste of the vodka.

Allergy Alert:

  • This recipe is naturally gluten-free and dairy-free.
  • Sweetener sensitivity: Ensure you are comfortable with the specific sweetener used in your chosen brand of diet ginger beer (e.g., aspartame, sucralose, or stevia).

Nutrition

Serving: 1 Cocktail | Calories: 133 | Net Carbs: 1.3g | Fat: 0g | Protein: 0.1g | Total Carbs: 1.4g (Fiber: 0.1g, Sugar: 0.4g) | Potassium: 18mg | Sodium: 10mg

Nutrition information is calculated using third-party databases and is provided as a courtesy. Since values vary by brand and produce, we suggest calculating them yourself for the most accurate results.

  • Prep Time: 2 minutes
  • Category: Beverage, Cocktail
  • Method: No-Cook / Build-in-glass
  • Cuisine: American

Find it online: https://cosmoglamor.com/2026/01/25/zesty-keto-friendly-moscow-mule-sugar-free/