About This Recipe
The color is the first thing people notice — that deep purple that looks almost too good to be real. It’s just frozen blueberries. No food coloring, no tricks. I made this for the first time as a post-workout snack and ended up eating it as dessert instead. 46 grams of protein in one batch, and it genuinely tastes like something you’d order at a café. The kind of recipe you make once and then keep coming back to.
Why These Ingredients
Frozen blueberries — better than fresh here because freezing breaks down the cell walls, releasing more juice and giving you that intense color and flavor. Heat them just enough to release the liquid — that’s where all the flavor comes from.
Greek yogurt — adds creaminess and extra protein. Stir it in after the mixture has cooled slightly — if it’s too hot the yogurt can separate and the texture gets grainy.
Protein powder — same rule as the yogurt: add it off the heat. Heating protein powder can make it clump and affect the texture. Vanilla flavor works best here, unflavored works too.
Lemon juice — just a small amount, but it brightens the blueberry flavor significantly and balances the sweetness. Don’t skip it.
Gelatin — sets the mousse so it holds its shape in the cup. Bloom it properly in cold water first — if you rush this step it won’t dissolve evenly.
💡 Mousse came out grainy? The most likely reason is that the protein powder or yogurt was added when the mixture was still too hot. Let it cool to around body temperature before mixing them in — warm to the touch but not steaming.
Ingredients (4 servings):
• 200g frozen blueberries
• 200ml milk
• 100g Greek yogurt
• 32g protein powder
• 7–8g gelatin + 40ml cold water
• 1 tbsp sweetener
• 1–2 tsp lemon juice
Instructions:
- Bloom the gelatin in cold water for 5–10 minutes.
- Heat blueberries with sweetener and lemon juice until they release their juice.
- Add milk and warm through — don’t let it boil.
- Blend until smooth.
- Stir in the bloomed gelatin until fully dissolved.
- Let cool slightly, then mix in protein powder and Greek yogurt.
- Pour into cups and chill for 3–4 hours.
Macros (total):
460 kcal · 46g protein · 7g fat · 55g carbs
Tried this recipe? Let me know in the comments how it turned out!