Cucumber Mint Cooler

A pale-green, spa-fresh agua fresca of blended cucumber, lime and mint, lightly sweetened with allulose. It is one of the most refreshing things you can drink on a hot afternoon, at about 4 g net carbs a glass.

  • Net carbs4.3 g
  • Prep10 min
  • Cook—
  • Serves4
✓ Vegetarian✓ Gluten-free✓ Dairy-free✓ Egg-free✓ Nut-free
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Nutrition per serving

1 cup, over ice
Net carbs
4.3g
Calories
24kcal
Protein
0.8g
Fat
0.1g
Total carbs
14 g
Fiber
0.8 g
15% protein 81% carbs

Calculated from USDA FoodData Central values for each ingredient (optional ingredients excluded). Brands vary — check your labels if you track closely.

A low-carb swap for: lemonade (26 g net per 1 cup) , soda (regular) (38 g net per 12 fl oz can) . This recipe has 4.3 g per serving.

Ingredients

4 servings
Version

Estimated cost $3.81 for 4 servings ($0.95 each) · how we estimate

Instructions

  1. Put the cucumber, mint, lime juice, allulose, salt and 1 cup of the water in a blender. Blend on high 45–60 seconds, until completely smooth.

  2. Pour through a fine-mesh sieve into a pitcher, pressing on the pulp with a spoon to get out as much juice as possible. Discard the pulp.

  3. Stir in the remaining cold water, then taste and adjust with more lime or sweetener.

  4. Chill at least 30 minutes, or serve right away over plenty of ice with mint sprigs and cucumber slices.

Tips for success

  • English (seedless) cucumbers have thin skins and few seeds, so there is no need to peel them, and the skin gives the drink its pretty green color.
  • The pinch of salt doesn't make it taste salty. It sharpens the cucumber and lime, as in a Mexican agua fresca.
  • The nutrition counts all the cucumber, including the pulp you strain out, so the real numbers are a little lower.

Nice to have, not needed

  • A fine-mesh sieve gives a clear, silky drink — skip straining for a thicker, pulpy agua fresca.

Storage & meal prepMeal-prep friendly

  • Keeps 3 days in the fridge
  • Doesn’t freeze well

Reheat: Serve cold over ice; stir first.

Prep tip: Freeze a few cucumber slices to use as ice cubes, so the drink never gets watered down.

Refrigerate in a covered pitcher up to 3 days. Stir before serving, as it settles.

Variations

3 variations, each with its own ingredients and macros

Spiked (gin or vodka)

Flavor

A shot of gin per glass turns it into a crisp, herbal summer cocktail; vodka keeps the cucumber front and center.

  • + 6 oz gin or vodka

4.3 g net · 121 kcal · 0.8 g protein · 0.1 g fat · ≈$1.51 per serving (same net carbs as the original)

Strawberry cucumber

Flavor

Ripe strawberries blended in with the cucumber turn it blush-pink and fruitier, which makes it a favorite with kids.

  • + 1 cup strawberries

6.5 g net · 36 kcal · 1.1 g protein · 0.3 g fat · ≈$1.24 per serving (+2.2 g net carbs vs the original)

Spicy jalapeño

Flavor

A jalapeño blended in adds a slow, gentle heat that plays against the cool cucumber and lime.

  • + 1 jalapeño

4.5 g net · 25 kcal · 0.8 g protein · 0.2 g fat · ≈$0.97 per serving (+0.2 g net carbs vs the original)

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