This Cottage Cheese Lemon Mousse is super creamy, refreshing, and loaded with 12 grams of protein. It’s a magical low calorie dessert that has quickly become my favorite.

I’ve always been a fan of lemon desserts, and this high-protein lemon mousse aligns perfectly with my current goals, which include increasing my protein intake.
Cottage cheese is super high in protein and incredibly versatile, allowing me to create delicious treats like cottage cheese ice cream, cottage cheese pancakes, and even chocolate mousse.
One of the things I love most about this cottage cheese recipe is how everything comes together in the blender – like magic. There’s something incredibly satisfying about tossing a few simple ingredients into the blender and watching them transform into a delicious and nutritious dessert.
Why This Lemon Cottage Cheese Mousse Stands Out
- So Simple to Make – I’m not into complicated recipes. This lemon mousse is super easy!
- High protein – Each serving packs over 12 grams of protein, and you can double the serving size.
- Perfect consistency: Thanks to the cottage cheese, it has a luxurious texture that melts in your mouth.
- Egg-Free Dessert: Ideal for those looking for delicious egg-free options.
This cottage cheese mousse is my go-to whether I’m looking to end a meal on a high note or just need a sweet afternoon pick-me-up. Its lightness makes it perfect for any occasion, and it’s always a hit with friends and family.

Ingredients Needed
Many of the recipes I found online for lemon mousse use just three ingredients, but they weren’t as thick and creamy as I like. I found that adding a bit of gelatin powder makes it just right – thicker and fluffier. This small change made a big difference for me, making the dessert perfect.

- Cottage Cheese: It’s not just creamy but also rich in protein, calcium, and other nutrients. It gives the mousse a lovely creamy texture and a nice tangy taste. I’ve always preferred using full-fat cottage cheese for its rich texture and taste, but I’ve found that non-fat works just as well for this recipe.
- Maple Syrup: Use a sugar-free option, or substitute with a granulated sweetener like monk fruit or erythritol.
- Lemon: I used both the zest and lots of lemon juice. This is key to the bright, zesty citrus flavor that makes the mousse so refreshing.
- Gelatin Powder: This is my secret to getting that perfectly thick texture. It acts as a setting agent, making the mousse firm.
- Water: It’s used to dissolve and bloom the gelatin powder, ensuring it integrates well into the mousse.
How To Make Cottage Cheese Lemon Mousse
Now, let’s see how easy it is to prepare this creamy and flavorful cottage cheese mousse by following these simple steps:
Step 1 – Prepare The Gelatin Mixture
- Combine Gelatin and Water: In a small bowl, measure out 1/2 tablespoon of gelatin powder and add 3 tablespoons of water. Ensure the gelatin powder is evenly distributed in the water. Stir the gelatin mixture thoroughly until all the powder is dissolved. This step is important for ensuring the gelatin sets properly.
- Bloom Gelatin: Set the bowl aside and allow the gelatin to bloom for approximately 5 minutes. During this time, the gelatin will absorb the water and swell, resulting in a thicker consistency.
- Gentle Heating: After blooming, gently heat the gelatin in the microwave for 15-20 seconds or on the stove over low heat. Avoid boiling the mixture, as it may alter its properties.

Step 2 – Make The Mousse Mixture
- Combine Ingredients: In a blender or food processor, add 2 cups of cottage cheese, the sweetener, the zest from one lemon, lemon juice, vanilla extract, and the warmed gelatin mixture.
- Blend Until Smooth: Blend the mixture at high speed until all the ingredients are thoroughly combined, and the texture is smooth and creamy. Depending on the power of your blender or food processor, this may take a few minutes.
- Taste and Adjust: Pause blending to taste the mixture. Adjust the sweetness or lemon flavor according to your preference by adding more maple syrup or lemon juice. Blend again to incorporate any additional ingredients.

Step 3 – Setting and Serving
- Pour into Serving Glasses: Once the mousse mixture is well blended and flavored to your liking, pour it into individual serving cups or bowls.
- Refrigerate to Set: Cover the serving cups or bowls with plastic wrap or lids and refrigerate the mousse for 2-3 hours or until it has set to a firm consistency.
- Garnish and Serve: After the mousse has set, remove it from the refrigerator. Garnish each serving with additional lemon zest for a decorative touch, and enjoy!!

Tips For Making The Best Recipe
- Blend well – Blend the cottage cheese mixture until it is completely smooth and creamy for a luxurious texture.
- Add more protein – To increase the protein content, mix in a scoop of your favorite protein powder.
- Adjust the flavor – Taste the mixture before chilling and adjust the sweetness or tanginess with maple syrup or lemon juice according to your preference.

Serving Ideas
You can serve this sugar-free cottage cheese lemon mousse simply as it is or with various toppings. Here are some great ideas:
- Top with low carb granola and have it as a filling breakfast.
- Sprinkle some chocolate chips, chopped nuts, or toasted coconut flakes.
- You can also top it with your favorite berries.
- Drizzle some homemade caramel sauce over the mousse.
Storing Ideas
- Fridge: This lemon mousse can be stored in an airtight container in the fridge for up to 3 days.
- Freezer: Transfer the cottage cheese mousse to a freezer-safe airtight container and label it with the date. You can store it in the fridge for up to 1 month.

Frequently Asked Questions
Can I use fat-free cottage cheese?
Yes. I tested this mousse with both full-fat and fat-free cottage cheese, and both versions worked well. Full-fat cottage cheese creates a slightly richer and creamier mousse, while fat-free cottage cheese makes the dessert lighter but still smooth and fluffy after blending.
What type of gelatin should I use?
Use plain unflavored powdered gelatin, such as Knox. It helps the mousse set properly while keeping the texture creamy and light.
Can I make this without gelatin?
Possibly. I haven’t fully tested it yet, but blended chia seeds may work as a natural thickener. Keep in mind the texture will likely be softer and a little more pudding-like instead of airy and mousse-like.
Can I use honey instead of sugar-free maple syrup?
Yes, honey works well in this recipe. It will change the flavor slightly and make the mousse higher in sugar, but the texture should still turn out creamy and smooth.
Can I use bottled lemon juice?
Fresh lemon juice is definitely best for the brightest lemon flavor, but bottled lemon juice can work if that’s what you have available.
Why is my mousse not thickening?
Usually this happens if the gelatin wasn’t bloomed properly or if the mousse hasn’t chilled long enough. I recommend refrigerating it for at least 30 minutes so the texture can fully set.
Can I add protein powder?
Yes. Vanilla protein powder works especially well in this mousse and adds even more protein while keeping the texture creamy. Add it while blending the cottage cheese mixture.
How long does the mousse last in the fridge?
The mousse stores well in an airtight container in the refrigerator for about 3 days. After chilling overnight, the texture becomes slightly firmer and even more cheesecake-like.
Can I make other flavors?
Definitely. This mousse recipe works really well as a base for other flavors too. I think berries, cocoa powder, or even orange zest would all be delicious variations.
More High Protein Desserts

Cottage Cheese Lemon Mousse
Description
Ingredients
- 2 cups cottage cheese
- 1/4 cup sugar-free maple syrup or more to taste
- 2 tbsp lemon zest
- 2 tbsp lemon juice
- 1/2 tbsp gelatin powder
- 3 tbsp water
- 1 tsp vanilla extract optional
Instructions
- In a small bowl, combine gelatin powder and water. Stir well until the gelatin powder is completely dissolved. Set it aside to bloom for about 5 minutes.
- After blooming, gently heat the gelatin mixture in a microwave for 15-20 seconds or on the stove over low heat until it becomes liquid. Ensure it doesn’t boil.
- In a blender or food processor, add the cottage cheese, maple syrup, lemon zest, lemon juice, vanilla extract and the warm gelatin mixture. Blend until smooth and creamy.
- Taste the mixture and adjust the sweetness or lemon flavor according to your preference by adding more maple syrup or lemon juice if necessary. Blend again.
- Pour the mixture into serving cups or bowls and refrigerate for at least 2-3 hours or until the mousse has set.
- Once set, remove the mousse from the refrigerator. Garnish with additional lemon zest, and enjoy the refreshing and creamy dessert!
Nutrition information is shared to make meal planning easier. Values are estimates and can vary depending on the ingredients, brands, and serving sizes used. Learn more in my nutrition policy.






This sounds delicious. Can you make this with strawberries, or orange?
Absolutely, you can definitely make this cottage cheese lemon mousse with strawberries or oranges! Simply swap the lemon for either fresh strawberries or orange zest and juice. Both variations will add a delightful twist to the mousse. Enjoy experimenting with the flavors!
This is super easy to make and tastes delicious! Great for a high protein dessert!
So good!
Can I use fat free cottage cheese?
Yes, I tested the recipe using fat-free cottage cheese and had great results with it. The mousse stays light, creamy, and fluffy, especially after chilling. It’s a great option if you want a higher-protein, lower-calorie dessert.
Smells delightful! lemony and light, great for dessert or brunch
Saw it immediately loved it. Combination beautiful
So easy and absolutely delicious!!! Great way to get protein and a desert at the same time! I think I’ll sprinkle some crushed ginger wafers from Trader Joe’s on top Thank you!!
Can I use monk fruit instead of syrup?
Yes, monk fruit is a great sweetener for this cottage cheese lemon mousse – it keeps it light, sugar-free, and perfectly sweet without changing the texture.
What is gelatin powder?
It’s a plain unflavored powder used to help recipes set and thicken slightly. In this lemon mousse, the gelatin helps create that smooth, fluffy texture once chilled. Knox is one of the most common brands.
Just plain gelatine, like Knox?
Absolutely. Plain powdered gelatin like Knox works great here. I prefer using unflavored gelatin because it sets the mousse gently without affecting the fresh lemon flavor.