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Low-Carb Strawberry & Rhubarb Smoothie

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I love keto smoothies because they are perfect for busy weekday mornings. It takes just a few seconds to prepare and will fill you up until lunch. No more excuses!

I used my Roasted Low-Carb Strawberry & Rhubarb Jam in this recipe although you could use any of our low-carb jams — all of them will be delicious, especially the strawberry & basil jam!

Collagen is one of the best sources of protein and will help you stay full for longer and you won't need any snacks between meals. I added some extra tips below for making your smoothie even more nutritious!

If you want to keep your smoothie super simple, you can always use fresh or frozen berries and add low-carb sweeteners and spices like vanilla or cinnamon. Enjoy!

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Hands-on Overall

Nutritional values (per serving)

Net carbs7.3 grams
Protein24.5 grams
Fat26.1 grams
Calories369 kcal

Calories from carbs 8%, protein 27%, fat 65%

Total carbs10.4 gramsFiber3.1 gramsSugars5.4 gramsSaturated fat14.8 gramsSodium196 mg(9% RDA)Magnesium49 mg(12% RDA)Potassium655 mg(33% EMR)

Ingredients (makes 1 serving)

Optional add-ons and substitutions:
  • 2-5 drops liquid stevia if you like your smoothie sweet
  • 1 tbsp MCT oil or MCT oil powder for an extra fat and energy boost
  • ice cubes to taste to make keto "frostino"
  • For vegetarian keto, swap the collagen powder for whey protein powder or egg white protein powder or plant-based protein powder. Just make sure to use low-carb options (unsweetened or using low-carb sweeteners). I like this smoothie with Vanilla Perfect Keto Collagen
  • For nut-free, swap the almond milk for any seed milk or water.
  • For a dairy-free smoothie, you can substitute the heavy whipping cream with coconut cream or coconut yogurt


  1. Place all of the ingredients in a blender and process until smooth. You can also use an immersion blender and a tight jar. You can optionally add a few ice cubes to make a smoothie "frostino". Low-Carb Strawberry & Rhubarb Smoothie
  2. Serve and enjoy! Low-Carb Strawberry & Rhubarb Smoothie

Ingredient nutritional breakdown (per serving)

Net carbsProteinFatCalories
Roasted Strawberry & Rhubarb Jam (KetoDiet blog)
4.8 g0.8 g0.4 g32 kcal
Almond milk natural (unsweetened)
1 g1.2 g2.9 g34 kcal
Cream, heavy whipping, pouring, full-fat (30-40% fat)
1.6 g1.1 g22.8 g220 kcal
Gelatin powder, hydrolyzed (collagen)
0 g21.4 g0 g84 kcal
Total per serving
7.3 g24.5 g26.1 g369 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 (2)

The link to the jam in the recipe is broken. The one in the description works correctly. Looking forward to trying this smoothie! Thanks!


Thank you, fixed! Found an extra character in the url 😊