Zesty Keto Lemon Mousse
Let me tell you—life before discovering keto lemon mousse felt…well, lemony in all the wrong ways. As someone endlessly scrolling keto dessert recipes that taste like sweetened cardboard (you know the struggle), stumbling upon this zesty miracle was life-changing!
It’s creamy without dairy overload (if you play smart), tart enough to wake up your tastebuds faster than an alarm clock, satisfies cravings better than socks sliding across fresh floors,—and yes only two net carbs per serving.
That combo checks every box.Look at me getting emotional over pudding-like substances now —that‘S power right there baby !
Ingredients List

This Keto Lemon Mousse recipe is simple yet luxurious, requiring just a few high-quality ingredients. Here’s what you’ll need:
- 1 cup (240ml) heavy whipping cream – For a light, airy texture.
- 4 oz (113g) cream cheese – Softened for a smooth finish.
- 1/4 cup (60ml) powdered erythritol or monk fruit sweetener – Adjust to taste.
- 2 tbsp fresh lemon juice – For that zesty kick.
- 1 tsp lemon zest – Enhances the citrus flavor.
- 1/2 tsp vanilla extract – Adds depth.
- 1/4 tsp xanthan gum (optional) – For extra thickness.
Substitutions: Use almond milk cream for a lighter version, or coconut cream for a dairy-free twist.
Timing
Prep Time: 10 minutes | Chill Time: 4 hours | Total Time: 4 hours 10 minutes
This recipe is quick to whip up but requires patience for the perfect texture. The total time is 4 hours, but the active prep is just 10 minutes—ideal for meal prepping!
Step-by-Step Instructions
Step 1: Prepare the Cream Cheese Mixture

In a large bowl, beat the cream cheese until smooth. Add the sweetener, lemon juice, lemon zest, and vanilla extract. Mix until fully combined.
Step 2: Whip the Heavy Cream
In a separate bowl, whip the heavy cream to stiff peaks. If using, add the xanthan gum for extra stability.
Step 3: Combine Ingredients
Gently fold the whipped cream into the cream cheese mixture until smooth. Avoid overmixing to maintain fluffiness.
Step 4: Chill and Set
Divide the mixture into serving glasses or ramekins. Chill in the fridge for at least 4 hours or overnight for the best texture.
Nutritional Information
Each serving (about 1/4 of the recipe) contains approximately:
- Calories: 180
- Fat: 18g
- Protein: 2g
- Net Carbs: 2g
- Fiber: 0g
This dessert is low-carb, high-fat, and perfect for keto dieters. The lemon zest adds antioxidants, while the cream provides healthy fats for sustained energy.
Healthier Alternatives for the Recipe
To make this even healthier, consider these swaps:
- Use unsweetened almond milk instead of heavy cream for a lower-calorie option.
- Replace erythritol with stevia for a zero-calorie sweetener.
- Add chia seeds for extra fiber and omega-3s.
Serving Suggestions
This Keto Lemon Mousse is versatile and can be served in many ways:
- Top with fresh berries for a pop of color and antioxidants.
- Drizzle with sugar-free raspberry sauce for extra tang.
- Serve in small glasses with a sprinkle of crushed nuts for crunch.
Common Mistakes to Avoid
To ensure success, steer clear of these pitfalls:
- Overmixing the cream – This can make the mousse grainy.
- Using expired cream – Freshness ensures the best texture.
- Skipping the chilling time – Patience is key for the perfect set.
Storing Tips for the Recipe
Store leftovers in an airtight container in the fridge for up to 3 days. For longer storage, freeze for up to 1 month. Thaw overnight in the fridge before serving.
Conclusion
This Keto Lemon Mousse is a game-changer for anyone craving a light, refreshing dessert without the carbs. With just a few simple ingredients and minimal effort, you can enjoy a restaurant-quality treat at home.
Ready to try it? Whip up a batch today and let us know how it turns out in the comments! For more keto-friendly recipes, check out our Keto Lemon Mousse Recipe collection.







