A light, fluffy mousse with a refreshing lemon tang — the perfect keto dessert for spring, summer, or whenever you crave something sweet but low-carb.
📝 Recipe Card
Hook
Keto Lemon Mousse – Creamy, zesty, and sugar-free! This mousse comes together in minutes with just a handful of ingredients for a refreshing low-carb dessert.
Servings & Timing
- Servings: 4
- Prep Time: 10 minutes
- Chill Time: 1–2 hours
- Total Time: ~1 hour 15 minutes
Nutrition (per serving, approx.)
- Calories: 210
- Fat: 20 g
- Protein: 3 g
- Net Carbs: 3 g
Dietary Badges
🍋 Keto | 🌾 Gluten-Free | ❌ Refined Sugar-Free | 🥛 Creamy Dessert
Ingredients
- 1 cup heavy whipping cream
- 4 oz cream cheese, softened
- ⅓ cup powdered erythritol (or monk fruit blend)
- Zest of 1 lemon
- 2 tbsp fresh lemon juice
- 1 tsp vanilla extract
- Pinch of salt
Instructions
- Whip Cream: In a chilled bowl, beat heavy whipping cream until stiff peaks form. Set aside.
- Mix Cream Cheese Base: In another bowl, beat cream cheese, sweetener, lemon zest, lemon juice, vanilla, and salt until smooth and fluffy.
- Fold Together: Gently fold whipped cream into lemon cream cheese mixture until fully combined and airy.
- Chill & Serve: Spoon into ramekins or dessert glasses. Refrigerate at least 1 hour before serving for best texture.
Brief Introduction
This Keto Lemon Mousse is everything you want in a dessert — light, creamy, slightly tangy, and perfectly sweetened. It’s simple enough for a weeknight treat but elegant enough for entertaining.
Step-by-Step Guide
Step 1 – Whip the Cream
Chill the bowl and whisk first — it makes whipping easier.
Step 2 – Flavor the Base
The lemon zest gives a strong citrus aroma, while lemon juice adds brightness.
Step 3 – Fold Gently
Folding the whipped cream keeps the mousse fluffy and airy.
Step 4 – Chill
At least 1 hour in the fridge helps the mousse set and flavors meld.
Ingredient Details & Substitution Tips
- Sweetener: Powdered erythritol dissolves best. Use allulose for an even silkier finish.
- Cream Cheese: Full-fat works best for richness, but mascarpone cheese is an elegant swap.
- Citrus Twist: Swap lemon for lime or orange zest/juice for a different flavor profile.
- Dairy-Free Option: Use coconut cream and dairy-free cream cheese.
Variations & Serving Suggestions
- Layered Parfaits: Alternate mousse with fresh berries for a layered dessert.
- Topping Ideas: Sugar-free whipped cream, lemon zest curls, or toasted coconut.
- Mini Pies: Spoon mousse into keto tart shells for no-bake lemon tarts.
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Serving Ideas:
- With raspberries or blueberries for contrast 🍓🫐
- As an elegant dessert in martini glasses 🍸
- Topped with crushed keto shortbread cookies for crunch
Storage & Make-Ahead Info
- Fridge: Store up to 3 days, covered.
- Freezer: Can be frozen for up to 1 month — thaw in fridge before serving.
- Make-Ahead: Perfect for parties — make the night before and chill.
FAQs
Q: Can I make it without cream cheese?
A: Yes — just use more whipped cream for a lighter mousse, though texture will be softer.
Q: Can I make it sweeter?
A: Taste before chilling and adjust sweetener to preference.
Q: Can I use bottled lemon juice?
A: Fresh is always best for brightness, but bottled will work in a pinch.
Personal Note
This mousse has become one of my favorite summer desserts. It’s light, refreshing, and satisfies my sweet tooth without weighing me down — plus, it looks so pretty in little dessert cups!
Call to Action
If you whip up this Keto Lemon Mousse, let me know how you served it! ⭐ Did you keep it simple, layer it with berries, or turn it into parfaits? Share your creation to inspire more keto dessert lovers!
