Keto Peanut Butter Mousse
Peanut butter lovers, get ready to indulge! This Keto Peanut Butter Mousse is a delightful dessert that’s not only creamy and fluffy but also sugar-free. Perfect for any occasion, whether it’s a casual family dinner or an elegant gathering, this mousse will impress your guests. With its rich peanut flavor and low-carb profile, it’s a guilt-free treat you won’t want to miss!
Why You’ll Love This Recipe
- Quick to Prepare: This mousse comes together in just 5 minutes, making it perfect for last-minute dessert cravings.
- Sugar-Free Delight: Enjoy the sweetness without the sugar, thanks to the powdered sweetener.
- Impressive Presentation: Serve it in elegant glasses for a stunning display at your next dinner party.
- Versatile Ingredients: Use mascarpone or cream cheese based on your preference, allowing you to customize the texture.
- Rich Flavor: The combination of heavy cream and peanut butter creates a luscious taste that satisfies any sweet tooth.

Tools and Preparation
To create this delicious keto peanut butter mousse, you’ll need a few essential tools. Having these on hand will ensure a smooth preparation process.
Essential Tools and Equipment
- Electric mixer
- Mixing bowls
- Rubber spatula
- Serving glasses
Importance of Each Tool
- Electric mixer: Ensures smooth blending of ingredients quickly, saving you time and effort.
- Mixing bowls: Having multiple bowls allows for easy separation of ingredients during preparation.
- Rubber spatula: Great for folding in whipped cream without deflating it, ensuring a light texture.
Ingredients
Here’s what you need to make this rich and creamy keto peanut butter mousse:
For the Mousse
- 1 cup mascarpone (or cream cheese, cold (240g))
- 1/4 cup powdered sweetener (40g; use 1/3 cup / 60g for a sweeter mousse)
- 3 tbsp / 55g peanut butter (smooth)
- 1 cup heavy cream (cold (240g))
- 1/2 tsp vanilla extract
- Pinch sea salt (if your peanut butter is unsalted)
How to Make Keto Peanut Butter Mousse
Step 1: Combine Base Ingredients
- In a mixing bowl, add the mascarpone or cream cheese, powdered sweetener, peanut butter, and vanilla extract.
- Use an electric mixer to blend until smooth. If using unsalted peanut butter, add a pinch of sea salt.
Step 2: Whip the Cream
- In another clean bowl, pour in the heavy cream.
- Whip until just below stiff peaks form; this will give your mousse a light texture.
Step 3: Fold and Serve
- Gently fold the whipped cream into the peanut butter mixture until fully combined and smooth.
- Pipe or spoon into serving glasses. Optionally top with crumbled low-carb biscuits and a drizzle of peanut butter.
Enjoy your delightful keto peanut butter mousse! Perfect for any occasion, this dessert promises satisfaction without compromising your diet goals.
How to Serve Keto Peanut Butter Mousse
Keto peanut butter mousse is a delightful dessert that can be served in various ways to enhance its appeal. Whether you’re hosting a dinner party or enjoying a quiet evening at home, these serving suggestions will elevate your dessert experience.
In Individual Cups
- Use small glass cups for an elegant presentation. Layer the mousse with berries or nuts for added texture and flavor.
Topped with Whipped Cream
- A dollop of whipped cream on top of each serving can add a creamy contrast and make your mousse look irresistible.
With Low Carb Biscuits
- Serve the mousse alongside low carb biscuits for dipping. This adds a crunchy element that pairs perfectly with the smooth mousse.
Drizzled with Sugar-Free Chocolate Sauce
- Enhance your keto peanut butter mousse by drizzling it with sugar-free chocolate sauce. This combination makes for an indulgent treat.
Garnished with Chopped Nuts
- Sprinkle chopped peanuts or other nuts on top for an additional crunch. This also creates a beautiful visual effect.
Accompanied by Fresh Berries
- Serve with fresh raspberries or strawberries to add a burst of color and freshness to the rich peanut butter flavor.
How to Perfect Keto Peanut Butter Mousse
To ensure your keto peanut butter mousse turns out perfectly every time, pay attention to these helpful tips.
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Use Cold Ingredients: Make sure your mascarpone and heavy cream are cold before mixing. This helps achieve a fluffier texture.
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Whip Cream Just Right: Whip the cream until it’s just below stiff peaks. Over-whipping can create a grainy texture.
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Choose Smooth Peanut Butter: Smooth peanut butter will blend more easily into the mousse, creating a creamy consistency without lumps.
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Taste as You Go: Adjust sweetness by tasting the mixture before folding in the whipped cream. You can always add more sweetener if needed.
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Experiment with Flavors: Feel free to add ingredients like cocoa powder or espresso for different flavor profiles while keeping it keto-friendly.
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Chill Before Serving: Letting your mousse chill in the fridge for about 30 minutes enhances its flavor and texture.
Best Side Dishes for Keto Peanut Butter Mousse
Pairing side dishes with keto peanut butter mousse can create a well-rounded dessert experience. Here are some delicious options to consider:
- Chia Seed Pudding: A creamy, nutrient-rich pudding that complements the richness of the mousse beautifully.
- Low Carb Cheesecake Bites: These bite-sized treats are perfect for guests who want variety while staying within their dietary guidelines.
- Coconut Flour Cookies: Light and chewy cookies made from coconut flour offer a delightful crunch next to the smooth mousse.
- Mixed Green Salad: A fresh salad with avocado and nuts provides a light contrast to the decadent dessert.
- Zucchini Bread: Moist and flavorful, zucchini bread pairs well with the richness of the peanut butter flavor.
- Sugar-Free Jello Cups: These colorful jello cups provide a fun texture and are refreshing after indulging in rich mousse.
- Nut Fat Bombs: For those craving something extra, nut fat bombs offer healthy fats that align perfectly with keto diets.
- Keto Granola: A sprinkle of low-carb granola adds crunch and is great for those who enjoy textural contrasts in their desserts.
Common Mistakes to Avoid
Making keto peanut butter mousse can be simple, but there are some common pitfalls to watch for.
- Overmixing the cream: This can lead to a dense mousse instead of a light, airy texture. Mix just until combined for the best result.
- Using warm ingredients: Always start with cold mascarpone and heavy cream. Warm ingredients can affect the mousse’s consistency.
- Skipping the sweetener adjustment: Not everyone has the same sweetness preference. Taste your mousse mixture before adding more sweetener if needed.
- Not folding gently: When combining the whipped cream with the peanut butter mix, fold gently to keep it airy. Stirring can deflate the mousse.
- Ignoring serving options: Don’t forget toppings! Consider low-carb biscuits or extra peanut butter drizzle for added flavor and texture.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- Consume within 3-4 days for optimal freshness.
Freezing Keto Peanut Butter Mousse
- Place in a freezer-safe container.
- Can be frozen for up to 2 months. Thaw in the fridge overnight before serving.
Reheating Keto Peanut Butter Mousse
- Oven: Not recommended as it will alter texture.
- Microwave: Heat briefly on low power; use caution as it may change consistency.
- Stovetop: Gently heat over low while stirring; not recommended for this recipe.
Frequently Asked Questions
Here are some common questions about keto peanut butter mousse.
What is Keto Peanut Butter Mousse?
Keto peanut butter mousse is a rich, creamy dessert made with sugar-free ingredients that fits into a ketogenic diet. It’s delicious and satisfying without the carbs!
How can I customize my Keto Peanut Butter Mousse?
You can add cocoa powder for a chocolate version or experiment with different flavored sweeteners to enhance taste and variety.
Is Keto Peanut Butter Mousse suitable for meal prep?
Yes! It stores well in the fridge, making it perfect for preparing ahead of time. Just remember to keep it sealed tightly.
Can I use natural peanut butter for this recipe?
Absolutely! Just ensure it’s unsweetened and adjust the salt if needed since natural peanut butters can vary in salt content.
Final Thoughts
This keto peanut butter mousse is not only easy to make but also incredibly versatile. You can customize it with various toppings or flavors, making it perfect for any occasion. Give it a try, and enjoy a delightful dessert that satisfies your sweet cravings while keeping you on track with your diet!

Keto Peanut Butter Mousse
- Prep Time: 5 minutes
- Cook Time: 0 minutes
- Total Time: 5 minutes
- Yield: Approximately 4 servings 1x
- Category: Dessert
- Method: No Bake
- Cuisine: Keto
Description
Keto Peanut Butter Mousse is the ultimate dessert for peanut butter aficionados looking for a guilt-free indulgence. This creamy and fluffy mousse is sugar-free, making it a perfect treat for those following a ketogenic diet. With its rich peanut flavor and smooth texture, this mousse comes together in just minutes, ensuring you can whip it up for any occasion—be it a casual family dinner or an elegant gathering. Impress your guests with this delightful dessert that satisfies sweet cravings without compromising your dietary goals.
Ingredients
- 1 cup mascarpone (or cream cheese)
- 1/4 cup powdered sweetener
- 3 tbsp peanut butter (smooth)
- 1 cup heavy cream
- 1/2 tsp vanilla extract
- Pinch of sea salt (if using unsalted peanut butter)
Instructions
- In a mixing bowl, blend mascarpone (or cream cheese), powdered sweetener, peanut butter, and vanilla extract with an electric mixer until smooth. Add a pinch of sea salt if using unsalted peanut butter.
- In another bowl, whip the heavy cream until just below stiff peaks.
- Gently fold the whipped cream into the peanut butter mixture until fully combined and smooth.
- Spoon or pipe into serving glasses and optionally top with low-carb biscuits or extra peanut butter.
Nutrition
- Serving Size: 1/2 cup (120g)
- Calories: 320
- Sugar: 2g
- Sodium: 150mg
- Fat: 30g
- Saturated Fat: 15g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 2g
- Protein: 7g
- Cholesterol: 80mg