Keto Lemon Cottage Cheese Mousse
Creamy, tangy, and ready in 5 minutes, this high protein keto lemon cottage cheese mousse is the perfect quick fix for lemon lovers. It’s blended to smooth perfection with just a handful of simple ingredients. This high-protein dessert satisfies your sweet tooth without messing with your blood sugar.
Ideal healthy dessert for busy days, late-night cravings, or anytime you want a refreshing citrus flavor hit without the guilt.
If you’re a fan of refreshing citrus flavor and easy, no-bake keto desserts like my popular keto cottage cheese chocolate mousse or keto strawberry cottage cheese ice cream, this one’s going straight to your favorites list.
The nutritional information for each cottage cheese lemon mousse is 253 calories, 3 grams of net carbs, and 7 grams of protein, perfect for a low-carb lifestyle.
Why You’ll Love This Recipe
- Light, fluffy, and bursting with lemon flavor
- Just 5 minutes and 1 blender, no cooking – perfect for busy people
- Sugar-free, gluten-free, and keto-friendly
- High in protein and low in carbs
- Great way to enjoy cottage cheese if you’re not a fan
Ingredients
- Full-fat cottage cheese – gives creaminess and protein punch
- Heavy cream – adds rich texture and smooth mouthfeel
- Lemon zest – brightens everything with fresh citrus notes
- Fresh lemon juice – balances the sweetener with a tart zing
- Swerve sweetener – keeps it sugar-free and keto
- Vanilla extract – rounds out the flavor
- Gelatin powder – helps set the mousse without eggs
Instructions
- Blend the cottage cheese in a high-speed blender or food processor until it is completely smooth.
- Add the heavy cream, lemon zest, lemon juice, sweetener, vanilla, and gelatin. Blend again until creamy.
- Pour the mixture into 2 dessert jars or cups and chill in the refrigerator for at least 1 hour before serving.
Expert Tips
- Blend until silky smooth consistency for best results – lumpy mousse isn’t it.
- Use small curd cottage cheese for a smoother base.
- Let the mousse chill well to set the gelatin and thicken.
- Taste and adjust the sweetness. Monk fruit works well, too.
- Sprinkle with extra lemon zest or coconut flakes for flair.
Ingredient Swaps
- You can use any low carb sweetener like allulose, erythritol or monk fruit instead of Swerve.
- Try cream cheese for a thicker, cheesecake-style mousse. What’s the difference? Read more here: Cottage Cheese vs Cream Cheese.
- Add a touch of Greek yogurt if you want a tangier bite.
Storage Tips
- Keep in airtight containers or dessert jars in the fridge for up to 3 days.
- Not freezer-friendly—cream may separate once thawed.
What to Serve With
This high protein cottage cheese mousse pairs beautifully with soft, crumbly keto cookies or anything that adds a little crunch or contrast.
Try it with:
- Lemon Sugar Keto Cookies for the ultimate lemon-on-lemon dessert board
- Keto Salted Caramel Chocolate Cookies to balance the lemon perfectly
- Strawberry Chia Cottage Cheese Cookies for a fruity, soft-baked bite
Conclusion
This mousse is one of my go-to low-carb dessert when I want something creamy, light, and sugar-free that actually satisfies. As someone who’s followed the keto lifestyle since 2019 and lost 50 lbs along the way, I know how important it is to have quick, feel-good recipes that don’t feel like a diet.
I created this space to make keto feel easy, doable, and emotionally comforting, especially if you’re just starting out. If you try it, I’d love to hear what you think!
More Keto Recipes to Try
If you loved this mousse, here are more light, creamy, or citrusy keto treats to explore:
- Keto Cottage Cheese Lemon Curd (Eggless) – perfect for layering or spooning straight
- Keto Lemon Poppy Seed Cottage Cheese Bars – zesty, soft, and high-protein
- Keto Strawberry Cottage Cheese Parfait – fruity and meal-prep ready
- Keto High Protein Chocolate Mousse – rich, smooth, and ultra-satisfying
- More Dessert Cottage Cheese Recipes – your go-to list for high-protein, low-carb sweet treats
- Cottage Cheese Pancakes
- Keto Cottage Cheese Lemon Fluff
- Keto Lemon Cheesecake Fluff
Not sure which lemon dessert to try first?
Here’s a quick peek at the texture and style of each: Lemon Cheesecake Fluff (thick and creamy), Lemon Cottage Cheese Mousse (light and tangy), and Lemon Cottage Cheese Fluff (airy and whipped). Try them all and pick your fave!

FAQ
Q: Can I make this without gelatin?
A: Yes, just skip it—your mousse will be softer but still tasty.
Q: What’s the best cottage cheese for mousse?
A: Full-fat, small curd works best for a smooth, creamy texture.
Q: Can I make this ahead?
A: Totally. Prep the night before—it tastes even better the next day!
Keto Lemon Cottage Cheese Mousse
Equipment
Ingredients
- 1/2 cup full-fat cottage cheese
- 1/2 cup heavy cream
- 2 teaspoons lemon zest
- 2 tablespoons lemon juice
- 3/2 teaspoons Swerve 1+1/2, (or your favorite low carb sweetener)
- 1/2 teaspoon Vanilla extract – sugar free
- 1/2 teaspoon Gelatine
Instructions
- Add cottage cheese to a food processor or blender. Blend until completely smooth.1/2 cup full-fat cottage cheese
- Add the rest of the ingredients and blend again until combined.1/2 cup heavy cream, 2 teaspoons lemon zest, 2 tablespoons lemon juice, 3/2 teaspoons Swerve, 1/2 teaspoon Vanilla extract – sugar free, 1/2 teaspoon Gelatine
- Spoon or pour the mousse into 2 glass jars or dessert cups.
- Chill in the fridge for at least 1 hour.
Notes
- For best results, use full-fat cottage cheese and blend until no grainy texture remains.
- If you prefer a firmer mousse, let it chill overnight.
- Want extra zing? Crumble Lemon Sugar Keto Cookies (coming soon) for the ultimate lemon-on-lemon dessert board.
- Store in an airtight container in the fridge for up to 3 days.
Nutrition Per 1 (ONE) Serving
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Light, fluffy, and bursting with lemon flavor! So easy and high protein too. I’ll be making this again all summer.