Keto Peanut Butter Mousse
Peanut butter lovers rejoice! This Keto Peanut Butter Mousse is not just another dessert; it’s a creamy, dreamy delight that’s perfect for any occasion. Whether you’re hosting a dinner party or treating yourself to a sweet treat at home, this mousse is sure to impress. Its fluffy texture and rich flavor will make you forget it’s sugar-free!
Why You’ll Love This Recipe
- Quick and Easy: With only a few simple steps, you can whip up this delicious mousse in just 5 minutes.
- Sugar-Free Indulgence: Enjoy the rich taste of peanut butter without the sugar, making it ideal for keto diets.
- Versatile Serving Options: Serve it in individual glasses, or use it as a filling for cakes or pastries.
- Impressive Presentation: Its smooth and fluffy texture makes it an elegant dessert that will wow your guests.
- Customizable Sweetness: Adjust the sweetness level to your liking by varying the amount of powdered sweetener.
Tools and Preparation
Before diving into making this delightful mousse, gather your tools. Having everything ready will streamline the process and ensure success.
Essential Tools and Equipment
- Electric mixer
- Mixing bowls
- Spatula
- Measuring cups and spoons
Importance of Each Tool
- Electric mixer: This tool is essential for achieving the perfect creamy texture and fluffiness in your mousse.
- Mixing bowls: Using separate bowls prevents cross-contamination of flavors while mixing different components.
- Spatula: A spatula helps to gently fold ingredients together without deflating the whipped cream.

Ingredients
To create this delectable Keto Peanut Butter Mousse, gather the following ingredients:
For the Mousse Base
- 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)
- 1/2 tsp vanilla extract
- pinch sea salt (if your peanut butter is unsalted)
For Whipping Cream
- 1 cup heavy cream (cold (240g))
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. If your peanut butter is unsalted, include a pinch of sea salt. Use an electric mixer to combine these ingredients until smooth.
Step 2: Whip the Cream
In a clean bowl, pour in the heavy cream. Whip with an electric mixer until it reaches just below stiff peaks. Be careful not to over-whip.
Step 3: Fold the Mixtures Together
Gently fold the whipped cream into the peanut butter mixture using a spatula. Continue folding until everything is combined and smooth.
Step 4: Serve Your Mousse
Pipe or spoon the mousse into serving glasses. For an extra touch, top with crumbled low-carb biscuits and drizzle more peanut butter on top if desired.
Enjoy your delightful Keto Peanut Butter Mousse!
How to Serve Keto Peanut Butter Mousse
Keto peanut butter mousse is a delightful dessert that can be enjoyed in various ways. Whether you want to impress guests or indulge yourself, these serving suggestions will elevate your experience.
Garnish with Whipped Cream
- Top your mousse with a dollop of freshly whipped cream for an extra creamy texture.
Drizzle of Peanut Butter
- Add a drizzle of smooth peanut butter on top for added richness and flavor.
Low-Carb Biscuit Crumble
- Sprinkle crumbled low-carb biscuits on top for a delightful crunch that complements the smooth mousse.
Fresh Berries
- Serve alongside fresh berries like raspberries or strawberries for a pop of color and tartness that balances the sweetness.
Chocolate Shavings
- Grate some dark chocolate over the mousse for a touch of luxurious flavor and visual appeal.
Nuts or Seeds
- Garnish with chopped nuts or seeds, such as almonds or sunflower seeds, for added texture and healthy fats.
How to Perfect Keto Peanut Butter Mousse
Creating the perfect keto peanut butter mousse is easy with these tips. Follow these guidelines to achieve a smooth and fluffy texture every time.
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Use cold ingredients: Ensure your mascarpone or cream cheese and heavy cream are cold. This helps achieve better volume when whipping.
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Choose the right sweetener: Select a powdered sweetener that dissolves easily to avoid graininess in your mousse.
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Whip to just below stiff peaks: Be careful not to over-whip your cream; it should hold its shape but remain soft for folding into the mixture.
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Fold gently: When incorporating the whipped cream, use gentle folding motions. This preserves airiness in the mousse.
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Chill before serving: Letting the mousse chill in the refrigerator for at least 30 minutes enhances its flavor and texture.
Best Side Dishes for Keto Peanut Butter Mousse
Pairing side dishes with your keto peanut butter mousse can create a well-rounded meal experience. Here are some delicious options:
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Sugar-Free Chocolate Pudding: A rich alternative that complements the peanut butter flavor without added sugar.
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Coconut Chia Seed Pudding: Light and refreshing, this pudding adds a tropical twist that’s also low in carbs.
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Baked Cinnamon Apples: Warm baked apples seasoned with cinnamon provide a comforting contrast to the cold mousse.
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Keto Cheesecake Bites: These bite-sized treats offer another rich dessert option while keeping within keto guidelines.
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Almond Flour Cookies: Crunchy almond flour cookies are perfect for dipping into your mousse when you crave something extra.
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Berry Salad: A mix of berries tossed with mint adds freshness and helps balance the richness of the mousse.
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Cucumber Salad: A light cucumber salad dressed with lemon offers a refreshing palate cleanser between bites.
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Avocado Chocolate Mousse: For chocolate lovers, this creamy dessert provides another decadent option while remaining keto-friendly.
Common Mistakes to Avoid
Avoiding common mistakes will help you create the perfect Keto Peanut Butter Mousse. Here are some tips to ensure your mousse turns out great:
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Using warm ingredients: Always use cold mascarpone or cream cheese. Warm ingredients can affect the texture of your mousse and make it less fluffy.
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Not measuring sweetener accurately: Measure your powdered sweetener carefully. Too little may result in a bland mousse, while too much can overpower the peanut butter flavor.
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Over-whipping the cream: Whip the heavy cream only until just below stiff peaks. Over-whipping can lead to a grainy texture in your mousse.
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Skipping the salt: If you’re using unsalted peanut butter, don’t forget the pinch of sea salt. It enhances the flavors and balances the sweetness.
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Not chilling before serving: Allowing the mousse to chill for at least 30 minutes improves its flavor and texture. Serving it immediately may not bring out its best qualities.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- Keeps well for up to 3 days.
- Do not freeze; it affects the mousse’s creamy texture.
Freezing Keto Peanut Butter Mousse
- Freeze in a freezer-safe container.
- Best consumed within 1 month for optimal taste and texture.
- Thaw in the refrigerator overnight before serving.
Reheating Keto Peanut Butter Mousse
- Oven: Not recommended, as it will alter the texture.
- Microwave: Use low power for a few seconds if needed; be careful not to heat too much.
- Stovetop: Not advisable since this dessert is best served chilled and creamy.
Frequently Asked Questions
Here are some common questions about Keto Peanut Butter Mousse that might help you:
What is Keto Peanut Butter Mousse?
Keto Peanut Butter Mousse is a creamy, sugar-free dessert made with mascarpone or cream cheese, heavy cream, and peanut butter. It’s perfect for anyone following a low-carb diet.
Can I use other nut butters?
Yes! You can substitute peanut butter with almond or cashew butter for a different flavor profile while keeping it keto-friendly.
How do I make Keto Peanut Butter Mousse dairy-free?
You can replace mascarpone or cream cheese with dairy-free alternatives like coconut cream or cashew cream for a delicious dairy-free version.
How long does Keto Peanut Butter Mousse last?
It lasts up to 3 days in the refrigerator when stored properly in an airtight container.
Final Thoughts
This Keto Peanut Butter Mousse is a delightful treat that impresses both guests and family alike. Its rich, creamy texture combined with delicious peanut butter flavor makes it an irresistible dessert option. Feel free to customize it by adding toppings like nuts or sugar-free chocolate chips for added flair. Try making this easy recipe today!
Keto Peanut Butter Mousse
Indulge in the delightful experience of making Keto Peanut Butter Mousse, a creamy and satisfying dessert that will satisfy your sweet cravings without derailing your low-carb lifestyle. This easy-to-make mousse combines rich peanut butter with whipped cream for a fluffy consistency that feels indulgent yet remains sugar-free. Perfect for special occasions or a simple treat at home, this mousse can be dressed up with toppings like fresh berries or low-carb biscuit crumbles, making it not only delicious but visually appealing as well.
- Prep Time: 5 minutes
- Cook Time: N/A
- Total Time: 0 hours
- Yield: Serves approximately 4
- Category: Dessert
- Method: N/A
- Cuisine: N/A
Ingredients
- 1 cup mascarpone or cold cream cheese
- 1/4 cup powdered sweetener (or adjust for sweetness)
- 3 tablespoons smooth peanut butter
- 1/2 teaspoon vanilla extract
- 1 cup cold heavy cream
Instructions
- In a mixing bowl, combine mascarpone or cream cheese, powdered sweetener, peanut butter, and vanilla extract. Mix until smooth.
- In another bowl, whip the cold heavy cream until just below stiff peaks.
- Gently fold the whipped cream into the peanut butter mixture until blended.
- Spoon or pipe the mousse into serving glasses and chill before serving.
Nutrition
- Serving Size: 1/2 cup (120g)
- Calories: 370
- Sugar: 3g
- Sodium: 230mg
- Fat: 34g
- Saturated Fat: 20g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 2g
- Protein: 8g
- Cholesterol: 90mg