Greek Yogurt Protein Fluff

Quick and easy to whip up, this Greek yogurt protein fluff with only 4 ingredients can be made with your choice of fresh or frozen and berries is just perfect for summer.

It’s light and airy like a mousse and protein-packed with yogurt and natural grass-fed gelatin. Have it for breakfast, dessert, or a post-workout protein boost — this yogurt gelatin fluff is sure to hit the spot!

Sugar-free Greek yogurt and protein fluff topped with fresh strawberries.

This recipe is high-protein (22.5 grams/serving), low-carb, and easily customizable. You can make with different fruit or protein flavors.

In the photos throughout the post you’ll see a bright pink yogurt and gelatin fluff, and a light pink one. Both protein fluff (fluffs?) taste amazing, but they have different ingredients.

The bright pink recipe was made with frozen berries, with a mix of strawberries, blueberries, blackberries and currants. The light pink was made with just fresh strawberries.

Which do you like better?

Keto natural gelatin and yogurt mousse with strawberries in glasses.
Strawberry yogurt and gelatin fluff on a spoon, with soft mousse texture.
It melts in your mouth!

Ingredient notes and substitutions

  • Unflavored gelatin powder, 1 ½ tablespoon
  • Your favorite berries: strawberries, blueberries, raspberries, or a mix. They can be fresh or frozen (thawed). You’ll need about 1 ½ cup (225 g)
  • Greek yogurt, 1 cup (250 g)
  • Unflavored or vanilla whey protein powder (2 scoops or 60g)

You’ll also need ½ cup of cold water and ½ cup of hot water to dissolve the gelatin and, and you can add sweetener to taste as needed.

Greek yogurt: I prefer full-fat grass-fed Greek yogurt for its richness and creaminess! Yogurt serves as the creamy base for the protein fluff, giving it a velvety texture.

You can replace the Greek yogurt with plain natural yogurt or Skyr.

Unflavored gelatin powder: You can use grass-fed natural gelatin or the classic Knox gelatin. Unflavored gelatin allows the other ingredients’ flavors to shine through.

Dessert glasses with keto protein yogurt fluff lined up on a table with strawberries.

Whey protein powder: It increases the protein density and therefore the nutritional value, turning this easy yogurt fluff recipe into more than simply dessert. It can be a very satisfying breakfast or after gym snack, too!

I like to use unflavored whey protein isolate, as I can always use in any recipe, no matter the flavor.

For this recipe this vanilla whey protein sweetened with stevia and monk fruit works great!

Greek yogurt and whey protein fluff with berries in a cold glass.

How to make Greek yogurt fluff

Here’s how to make the recipe, with step by step photos:

  1. Sprinkle the gelatin on top of 1/2 cup of cold water. Let stand for 5 minutes, or until it’s soft.
  2. Boil another 1/2 cup of water and pour it over the bloomed gelatin and mix until it’s melted and fully dissolved (no granules should be visible). Let it cool down.
  3. Add the berries, dissolved gelatin, yogurt and whey protein powder to the blender (in this order). Blend on high until smooth, then pulse a few times to incorporate air. Scrape the sides of the jar with a spatula if ingredients get stuck to the walls of the jar.
  4. Distribute the Greek yogurt protein fluff evenly into 4 serving glasses and refrigerate for at least 2 hours before serving.
Mixed berries in blender.
1. Add berries to blender first.
All ingredients for Greek yogurt gelatin fluff in blender jar, before processing.
2. Add dissolved gelatin, yogurt and protein.
Blending keto protein fluff ingredients.
3. Blend until smooth.
Pouring the whipped yogurt and gelatin in serving glasses.
4. Pour the blended mix into glasses and chill.

Hot tips for the best protein fluff

  • You can also melt the gelatin in a microwave, after hydrating it in water. Let it cool down before pouring over the berries. Then, instead of boiling the remaining water, just add it cold to the blender.
  • If using frozen berries, make sure they are fully thawed first.
  • If you don’t have a blender, it’s perfectly fine to make this recipe with an immersion blender. It will just take a little longer.
  • If you use unflavored protein (not vanilla which has sweeteners) you might want to add a keto friendly liquid sweetener like monk fruit in the gelatin mousse mix if the berries aren’t sweet enough.

Customize it

Protein powder flavors: I mentioned unflavored whey protein isolate or vanilla, as these as the most usual flavors. If you are into making low-carb recipes, you probably already have one of these in your pantry.

But these aren’t the only protein flavors that you can use!

This Greek yogurt and protein fluff is great with strawberry protein powder, or other tropical fruit flavors like toasted coconut or banana cream.

Strawberry keto Greek yogurt fluff.

Fruit variety: You can easily modify the recipe to use low-carb fruits other than berries. Here are a few ideas that would taste great in this gelatin fluff recipe:

Peaches, cranberries, guava, cherries and oranges (the whole fruit, not the juice!). According to the USDA database, they are all under 10 grams of net carbs per 3.5 oz (100 gram) serving. They all have less carbs than blueberries!

Add flavorings: For more intense and varied flavors, you can also add flavor extracts, like the extracts of vanilla, lemon or orange.

Just pick the flavor that matches your fruit choice! I like to add vanilla with mixed berries or strawberries, and lemon extract is perfect with blueberries, for example.

Garnish ideas: Top the yogurt protein fluff with fresh berries or sliced fruit, coconut shavings, mint leaves, or homemade whipped cream!

How to store

A light pink color fluff with just strawberry added.

This keto Greek yogurt fluff should be kept in the fridge, for up to 4-5 days.

Ideally, keep it in containers that have a lid, like jars. Or if you serve them in glasses like I do, just cut pieces of plastic wrap and stretch it over the top of the glasses as an improvised lid.

This is important if you are not planning to consume it straight away, as gelatin-based desserts tend to act like a sponge and absorb smells of everything else that might be in your fridge.

Greek yogurt and whey protein fluff with berries in a cold glass.

Greek Yogurt Protein Fluff With Berries

5 from 2 votes
This light and airy protein-packed Greek yogurt fluff with natural gelatin is low-carb, keto, sugar-free and super easy to make! A delicate and refreshing summer dessert that will melt in your mouth!
Author: Pris Frank
Prep Time 10 minutes
Chill 2 hours
Total Time 2 hours 10 minutes
Course Dessert
Cuisine Low-carb
Servings 4




  • In a small bowl, bloom the gelatin. Sprinkle the gelatin on top of 1/2 cup of cold water. Set aside to hydrate until it has a texture similar to apple puree.
  • Pour the boiling water over the bloomed gelatin and mix until the gelatin is melted and fully dissolved (no granules should be visible). Wait until it cools down.
  • Add the berries, dissolved gelatin, yogurt and whey protein powder to the blender (in this order). Blend on high until smooth, then pulse a few times to incorporate air. Scrape the sides of the jar with a spatula if ingredients get stuck to the walls of the jar. Now it's time to try for taste – add sweetener as needed.
  • Distribute the Greek yogurt protein fluff evenly into 4 serving glasses and refrigerate for at least 2 hours before serving.


You can use either unflavored or vanilla flavored whey protein powder for this recipe. For vanilla, I recommend this one which is sweetened with monk fruit and stevia.
Depending on the berries used (and protein flavor), you might like to sweeten it. I prefer liquid monk fruit sweetener in this recipe, but you can use any type of sweetener.
You can alter the amount of gelatin for a different texture: I like it at 1 1/2 tablespoons as it’s a nice balance of soft and firm. Reduce to 1 tablespoon if you prefer it creamier, almost like a smoothie, or increase to 2 tablespoons if you prefer a firmer dessert.


Serving: 1Calories: 139kcalCarbohydrates: 6.6gProtein: 22.5gFat: 2.7gFiber: 2.2gNet Carbohydrates: 4.5g
Tried this recipe?Leave a comment and let us know how it was!

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