Summer Keto Raspberry Lemonade

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Summer Keto Raspberry LemonadePin recipeFollow us 111.7k

Summer is the most challenging time of the year for cutting carbs, especially with all the sweet seasonal fruits. The best way to avoid going over your carb limit by eating fruits is to stick with berries.

One of the many ways you can enjoy berries is in homemade lemonade, or in this case, lemonade / limeade :-) Apart from being low-carb, lemons also have a positive effect on blood sugar control. I personally don't use any sweeteners and don't mind the sour taste but that may be too much for most people so I included some Stevia and Erythritol (or you can simply use just one of them).

My recipe only uses the raspberries to infuse the lemonade and add flavour boost and colour. If you prefer a more raspberry-rich taste, you will love this Raspberry Limeade from Carolyn of All Day I Dream About Food. I made it for a BBQ last month and it was a hit!

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Hands-on Overall

Nutritional values (per serving)

Net carbs4.5 grams
Protein0.4 grams
Fat0.2 grams
Calories20 kcal

Calories from carbs 86%, protein 7%, fat 7%

Total carbs5.6 gramsFiber1.2 gramsSugars1.9 gramsSaturated fat0 gramsSodium11 mg(0% RDA)Magnesium9 mg(2% RDA)Potassium73 mg(4% EMR)

Ingredients (makes 8 servings)

  • 3/4 cup fresh lemon juice (3-4 lemons)
  • 3/4 cup fresh lime juice (4-5 limes)
  • 1 cup raspberries (123 g / 4.3 oz) - you can try other berries too, blackberries work great!
  • water, still or sparkling (2 litres + more still water for raspberry ice cubes)
  • 1/4 cup Erythritol or Swerve, powdered, or other healthy low-carb sweetener from this list (40 g / 1.4 oz)
  • 30 or more drops Stevia extract
  • mint for garnish

The main reason I use two sweeteners in most of my recipes is that a combination of more sweeteners mask the aftertaste / bitterness of some of them. Depending on you palate, you may need to use more or less sweetener.


  1. Make the berry ice cubes by placing the berries in an ice-cube tray and top with still water. Place in the freezer for at least 2 hours or until frozen. Summer Keto Raspberry Lemonade
  2. When the ice is ready, start juicing the lemons and limes (you can use just lemons or limes if you don't have both). Summer Keto Raspberry Lemonade
  3. Pour the juice into a large jug and add sparkling or still water. You can use more water if the taste is too strong for you. Summer Keto Raspberry Lemonade
  4. Add the stevia (I used Lemon drops from SweetLeaf) and powdered Erythritol. Make sure you use powdered Erythritol or Swerve - otherwise the crystals won't dissolve. Mix until well combined and no sweetener is on the bottom of the jug. Summer Keto Raspberry Lemonade
  5. Pour the lemonade in serving glasses and add the raspberry ice cubes. Summer Keto Raspberry Lemonade Garnish with fresh mint and enjoy! Store up to 5 days in the fridge and add the raspberry ice cubes just before serving. Summer Keto Raspberry Lemonade

Ingredient nutritional breakdown (per serving)

Net carbsProteinFatCalories
Stevia extract (SweetLeaf or NuNaturals, natural low-carb sweetener)
0 g0 g0 g0 kcal
Lemon (juice), fresh
1.5 g0.1 g0.1 g5 kcal
Lime (juice), fresh
1.8 g0.1 g0 g6 kcal
Erythritol (natural low-carb sweetener)
0.3 g0 g0 g1 kcal
Raspberries, fresh
0.8 g0.2 g0.1 g8 kcal
Water, still
0 g0 g0 g0 kcal
Total per serving
4.5 g0.4 g0.2 g20 kcal
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Martina Slajerova
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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 (8)

The glycerites are even better than the powdered stevias. Just the unflavored ones work great--I like NOW brand the best. I use essential oils for flavoring also. Just a literal drop or two is enough. Lemon, orange, peppermint...


I agree, essential oils are great for flavour boost!


Can you use the powdered Stevia?? Or will it not dissolve?


I think it should. I don't use powdered stevia but the one I've tried dissolves well 😊


We are having lots of hot weather lately.  This is perfect, I'm making this ASAP! YUM!


Thank you Maggie, hope you like it! 😊


I've never thought of making "berry cubes" before, looks like a cool idea for a barbecue! I may skip the sweetener too because I don't seem to crave sugar any more 😊


Thanks Ava!!