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Cottage Cheese Peanut Butter Mousse

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Cottage Cheese Peanut Butter Mousse might just be the easiest high-protein dessert you’ll ever make—creamy, rich, naturally sweet, and totally satisfying. If you’ve been craving a sweet treat that’s low in sugar but high in protein, this quick and easy mousse recipe is exactly what you need.

cottage cheese peanut butter mousse

I get it—cottage cheese doesn’t exactly scream “dessert.” But once it’s blended with creamy peanut butter and a touch of low-carb sweetener, it transforms into a silky-smooth, mousse-like treat that’s light, fluffy, and so satisfying. It’s a protein-packed dessert you can whip up in just 5 minutes with a few simple ingredients.

If you’ve tried my other cottage cheese recipes—like the lemon mousse, cottage cheese smoothie, high-protein muffins, pasta sauce, or even the cheesecake—you already know how versatile and secretly delicious it can be. And this mousse? Might just be the dreamiest one yet.

Whether you’re snackingmeal-prepping, or looking for a smart way to hit your daily protein goals, this cottage cheese dessert hits all the right notes. It’s quick, simple, and honestly—kind of addicting.

Why You’ll Love This Cottage Cheese Peanut Butter Mousse

  • Ultra-Creamy and Smooth – When blended, cottage cheese transforms into a surprisingly light and fluffy mousse with a creamy texture that feels just like dessert.
  • Naturally High in Protein – Thanks to the combo of cottage cheese and peanut butter, each serving delivers almost 20g of protein to help keep you full and fuel your goals.
  • Ready in Just 5 Minutes – No baking, no waiting. Just blend and enjoy! It’s a perfect last-minute snack or dessert when you want something quick and easy.
  • Low Carb and Keto-Friendly – Sweetened with your favorite low-carb sweetener, this is a great sugar-free dessert for those following a keto diet or watching their carbs.
  • Easy to Customize – Want it sweeter? Add a bit more sweetener. Prefer it creamier? Add a splash of almond milk or heavy cream. It’s flexible to your taste and texture preferences.
  • Tastes Like Dessert, But Healthy – You get all the sweet, creamy satisfaction of a rich dessert without the sugar crash or artificial ingredients.
  • Made with Just a Few Simple Ingredients – You only need 4 basic ingredientscottage cheese, peanut butter, vanilla extract, and a low-carb sweetener. All pantry staples!
  • Kid-Approved and Family-Friendly – This mousse is a fun way to sneak extra protein into your kid’s diet while still feeling like a treat for grown-ups too.
  • Perfect for Meal Prep – Make a batch and keep it in the fridge for a grab-and-go high-protein snack, post-workout treat, or even a quick low-carb breakfast.
cottage cheese peanut butter mousse 1

Ingredients Needed

This easy high-protein dessert comes together with just a few simple ingredients you probably already have in your kitchen. Here’s what you’ll need:

  • Cottage Cheese – Use full-fat cottage cheese for the smoothest, creamiest texture and richest flavor. When blended well, it creates a mousse-like consistency that’s light and satisfying.
  • Peanut Butter – Choose natural peanut butter with no added sugar or oils. It brings a rich, nutty flavor and adds healthy fats to the mix.
  • Sweetener – Pick your favorite sweetener! For a sugar-free option, use allulose, erythritol, or monk fruit. Prefer something more natural? Go with a little honey or maple syrup. Liquid sweeteners blend the easiest, but powdered ones work great too—just adjust to taste.
  • Vanilla Extract – Just a splash of pure vanilla extract brings all the flavors together. It softens the tang of the cottage cheese and enhances the nutty notes of the peanut butter. 
  • Milk or Heavy Cream (Optional) – If your mousse turns out too thick, blend in a splash of milk or heavy cream to loosen the texture. The cream makes it extra rich and silky, while milk keeps it lighter.

How To Make Cottage Cheese Peanut Butter Mousse

This creamy, high-protein mousse comes together in just minutes—no baking, no fuss. It’s the ultimate quick dessert or snack when you want something light, sweet, and satisfying. Here’s how to make it:

Blend Everything Together

Start by adding your cottage cheese, natural peanut butter, sweetener of choice (I love using allulose or monk fruit for a sugar-free option, but maple syrup or honey totally work too), a splash of vanilla extract, and a pinch of salt to a high-speed blender or food processor. That little bit of salt is optional, but I find it brings out the peanut butter flavor in the best way.

Now, blend it all up! About 30 to 60 seconds on high should do the trick. You’re looking for a super smooth, fluffy, mousse-like texture. Don’t be afraid to stop and scrape down the sides to make sure nothing’s sticking—especially the peanut butter!

If the mousse feels too thick, just add a splash of milk or heavy cream and blend again until it’s light, fluffy, and perfectly creamy.

Chill the Mousse

Next, transfer the mousse to a bowl and let it chill in the fridge for 15 to 20 minutes. This step isn’t totally necessary, but I highly recommend it—it helps everything firm up slightly and the flavors deepen a bit. Plus, chilled mousse just hits differently.

Add Toppings & Serve

When you’re ready to serve, spoon it into small bowls, jars, or whatever cute containers you have. And now for the fun part—toppings! I like to drizzle a little melted chocolate (dark chocolate + coconut oil is a game changer), sprinkle on some chopped peanuts for crunch, or even throw in a few sugar-free chocolate chips. You could also go fruity with some raspberries or sliced banana if you’re feeling fancy.

This mousse is great straight from the fridge, perfect for dessert, a sweet afternoon pick-me-up, or even a post-workout snack. And yes—I’ve eaten it for breakfast more than once. No shame.

cottage cheese peanut butter mousse 2

Tips for The Best Cottage Cheese Mousse

  • Use full-fat cottage cheese. For the creamiest, richest texture, stick with full-fat cottage cheese. It blends better and makes the mousse extra smooth and satisfying.
  • Blend until ultra-smooth. This is one of those “the longer, the better” situations. Blend for a full 30–60 seconds—and don’t be afraid to scrape down the sides once or twice. The goal? Zero lumps, zero graininess, just silky-smooth, peanut buttery goodness. A high-speed blender or food processor really makes a difference here.
  • Chill before serving. Yes, you could eat it straight out of the blender (and no judgment if you do), but letting it chill for 15 minutes or so in the fridge takes the texture to a whole new level. It firms up just a little, the flavors settle in, and suddenly it tastes like a legit dessert you’d serve to guests.
  • Lighten up the texture. If your mousse turns out a bit too thick—maybe your cottage cheese was on the drier side—just add a splash of milk or heavy cream. Start with a tablespoon and blend again. Milk keeps it light and fluffy, while cream adds a little extra indulgence. Either way, you win.

Flavor Ideas & Fun Variations

  • Chocolate Peanut Butter Mousse – Add 1–2 teaspoons of unsweetened cocoa powder or a scoop of chocolate protein powder for a delicious chocolate-peanut combo.
  • Crunchy Peanut Version – Stir in chopped peanuts or crushed almonds after blending for extra crunch in every spoonful.
  • High-Protein Boost – Mix in a scoop of your favorite vanilla or peanut butter protein powder to add even more protein—great for post-workout snacks.
  • Mini Cheesecake Cups – Layer the mousse with crushed keto cookies or an almond flour crust in muffin cups. Chill for a few hours and enjoy mini no-bake cheesecake bites.
cottage cheese peanut butter mousse

How to Store

  • Refrigerator: Store the mousse in an airtight container or cover individual servings with a lid or plastic wrap. It stays fresh for up to 4 days in the fridge.
  • Meal Prep Friendly: Portion the mousse into small jars or containers right after blending and chilling—perfect for grab-and-go snacks or dessert all week.
  • Avoid Freezing: Freezing isn’t recommended for this recipe. The texture may become grainy or watery when thawed due to the cottage cheese.

More Cottage Cheese Recipes

cottage cheese peanut butter mousse

Cottage Cheese Peanut Butter Mousse

5 from 4 votes

Prep time 5 minutes
Servings 2 servings
Author Ioana Diaconu from LowCarbSpark.com

Description
 

This Cottage Cheese Peanut Butter Mousse is a creamy, rich, and naturally sweet high-protein dessert that comes together in minutes. Made with simple, wholesome ingredients and topped with melted chocolate and peanuts, it’s the perfect low sugar treat to satisfy your sweet tooth without the crash.
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Ingredients
  

Optional Toppings

Instructions
 

  • Add the cottage cheese, peanut butter, sweetener, vanilla extract, and salt to a high-speed blender or food processor. Blend for 30–60 seconds until completely smooth and creamy.
  • If the mousse is too thick, add 1–2 tablespoons of milk or heavy cream and blend again until your desired texture is reached.
  • Transfer the mousse to a bowl and refrigerate for 15–20 minutes. This helps it firm up and allows the flavors to develop.
  • In a small bowl, melt the dark chocolate chips and coconut oil together in the microwave in 20-second bursts, stirring in between, until smooth.
  • Divide the mousse into serving bowls or jars. Drizzle with the melted chocolate mixture and sprinkle with chopped peanuts. Serve immediately or store in the fridge until ready to enjoy.
Nutrition Facts
Amount per serving.
Calories
295kcal
Total Carbs
11g
Net Carbs
9g
Protein
19g
Fat
21g
Fiber
2g
Sugar
6g

How do we calculate the nutrition info?

These nutrition facts listed are determined using nutrition information from the USDA Food Database. Our nutrition facts are accurate, but if you are using different products, please make your calculations. Net carb count is calculated by subtracting both fiber and sugar alcohols because they don’t raise blood sugar.

Course Dessert
Cuisine American
Keyword cottage cheese peanut butter mousse
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Ioana, recipe developer at LowCarbSpark
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Written by

Ioana

Recipe developer & food photographer
Ioana is a food and travel lover. Her greatest passion is developing mouthwatering recipes that are comforting, easy to make, and budget friendly! She firmly believes that cooking should be fun! More about me →
5 from 4 votes

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Recipe Rating




3 comments
  1. 5 stars
    YUM! This was the most perfect and delicious dessert for me and the hubs while we’re low carbing. He loves peanut butter so it was a no brainer to give it a try. This might be a multiple times/week treat – so fast and easy! His review: “This might be the best cottage cheese I’ve ever eaten!”


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Hello! My name is Ioana Diaconu, and I'm here to provide you with mouthwatering recipes. This blog is all about sharing my favorite tested easy to make, delicious low-carb & keto, nutrient-dense recipes.

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