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Low-Carb Cucumber Lime Cooler

4.4 stars, average of 51 ratings

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I love cucumber water and homemade limeade. But what if you could combine those two and make a delicious non-alcoholic summer beverage?

This recipe takes your regular limeade to a whole new level because it's packed full of flavour. It's infused with cucumber, fresh mint and ginger. Best of all, it's sugar free and completely keto-friendly!

Whether you struggle with keto-flu or need a healthy sports drink, it's easy to convert this tasty recipe into an electrolyte drink. Simply add some magnesium, potassium and sodium like I did in my Keto Electrolyte Drink!

Hands-on Overall

Serving size 1 1/2 cups/ 360 ml

Allergy information for Low-Carb Cucumber Lime Cooler

✔  Gluten free
✔  Dairy free
✔  Egg free
✔  Nut free
✔  Nightshade free
✔  Pork free
✔  Avocado free
✔  Coconut free
✔  Fish free
✔  Shellfish free
✔  Beef free

Nutritional values (per serving, 1 1/2 cups/ 360 ml)

Net carbs4.1 grams
Protein0.6 grams
Fat0.2 grams
Calories20 kcal
Calories from carbs 80%, protein 12%, fat 8%
Total carbs4.9 gramsFiber0.8 gramsSugars1.4 gramsSaturated fat0 gramsSodium5 mg(0% RDA)Magnesium14 mg(3% RDA)Potassium140 mg(7% EMR)

Ingredients (makes 6 servings)

Cooler concentrate:
  • 1 1/2 cucumber (300 g/ 10.6 oz)
  • 1/2 cup fresh lime juice (120 ml/ 4 fl oz)
  • 1/3 cup sliced ginger (50 g/ 1.8 oz)
  • bunch of fresh mint (15 g/ 0.5 oz)
  • 1/3 cup Sukrin Gold, Swerve or Erythritol (54 g/1.9 oz)
  • 1 cup filtered water (240 ml/ 8 fl oz)
  • Optional: few drops of stevia, to taste
To serve:
  • 1 bottle sparkling water - club soda or still water (1.5 L)
  • 1/2 cucumber, sliced (100 g/ 3.5 oz)
  • 2 sliced lemons (lime rind would make it bitter)
  • mint leaves
  • ice


  1. To make the cucumber-lime concentrate, you'll need cucumber, limes, ginger, fresh mint, sweetener and filtered water. Low-Carb Cucumber Lime Cooler
  2. Juice the limes (you'll need 3-4 limes). Roughly chop the cucumber and slice the ginger. Place everything in a blender and add the fresh mint, low-carb sweetener and filtered water. Low-Carb Cucumber Lime Cooler
  3. Blend until smooth, for about 15 seconds. Low-Carb Cucumber Lime Cooler
  4. Strain through a fine-mesh sieve or a nut milk bag. Discard the pulp. Low-Carb Cucumber Lime Cooler
  5. Pour in a bottle and refrigerate or serve immediately. You should get about 3/4 L (3 cups) of the cucumber-lime concentrate. Low-Carb Cucumber Lime Cooler
  6. To serve, place 2-4 ice cubes into a glass. Add 1/2 cup of the cucumber-lime concentrate and top with 1 cup (240 ml) of club soda. Add mint, slices of cucumber and lemon. Low-Carb Cucumber Lime Cooler

Ingredient nutritional breakdown (per serving, 1 1/2 cups/ 360 ml)

Net carbsProteinFatCalories
Cucumber, fresh
0.7 g0.3 g0.1 g6 kcal
Lime juice, fresh
1.6 g0.1 g0 g5 kcal
Ginger root, fresh
1.3 g0.2 g0.1 g7 kcal
Mint, fresh
0.2 g0.1 g0 g2 kcal
Sukrin Gold, brown sugar substitute
0.3 g0 g0 g1 kcal
Water, still
0 g0 g0 g0 kcal
Total per serving, 1 1/2 cups/ 360 ml
4.1 g0.6 g0.2 g20 kcal

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Martina Slajerova
Creator of

Martina Slajerova

I changed the way I ate in 2011, when I was diagnosed with Hashimoto’s, an autoimmune disease that affects the thyroid. I had no energy, and I found it more and more difficult to maintain a healthy weight.

That’s when I decided to quit sugar, grains, and processed foods, and to start following a whole-foods-based ketogenic approach to food.

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Comments (4)

Hello 😊
How long does the concentrate keep for in the fridge?

I'd say about a week but I only kept mine for 3-4 days. You could freeze in in an ice tray for longer.

OMG this looks soooo good! I've never thought of blending the cucumber but it makes so much sense!

Thank you Kelly!