These Keto Lime Mousse Cups are a refreshingly light and creamy dessert that delivers big citrus flavor with minimal carbs. Whether you’re following a ketogenic lifestyle, managing sugar intake, or simply crave a cool, tangy treat after dinner, this mousse offers a perfect balance of sweet and tart without the guilt. Its smooth, airy texture melts in your mouth while the bright lime zest and juice bring a burst of freshness that feels like summer in every bite.
Made with simple ingredients and no baking required, this dessert is ideal for quick prep, effortless entertaining, or satisfying sweet cravings any time of day. The combination of rich cream and zesty lime creates a delightful contrast — creamy yet invigorating, indulgent yet light. These lime mousse cups are elegant enough for guests yet easy enough for weeknight dessert duty.
Why You’ll Love This Recipe
- Refreshing citrus flavor with creamy texture
- Keto-friendly and low in carbs
- No baking required — quick prep
- Perfect for parties or busy nights
- Bright, bold lime taste
- Easy to customize with toppings
Ingredients
- 1 cup (240 mL) heavy whipping cream, cold
- 4 oz (115 g) cream cheese, softened
- 2 tablespoons fresh lime juice
- 1 tablespoon lime zest
- 2–3 tablespoons powdered keto sweetener (adjust to taste)
- 1/2 teaspoon vanilla extract
- Pinch of salt
How to Make Keto Lime Mousse Cups
- Chill mixing bowl and whisk attachment in the freezer for about 10 minutes
- Pour cold heavy whipping cream into chilled bowl and begin whipping on medium speed
- Once cream starts to thicken slightly, add keto sweetener and continue whipping
- Whip until soft peaks form and set aside
- In separate bowl, beat softened cream cheese until smooth and creamy
- Add fresh lime juice, lime zest, vanilla extract, and a pinch of salt into the cream cheese
- Mix until fully incorporated and smooth
- Gently fold whipped cream into cream cheese mixture in batches
- Continue folding until completely combined and airy
- Taste and adjust sweetener or lime to preference
- Spoon mousse into individual serving cups or ramekins
- Refrigerate for at least 30 minutes to allow mousse to set
- Serve chilled for best flavor and texture
Recipe Information
- Prep Time: 10 minutes
- Chill Time: 30 minutes
- Total Time: 40 minutes
- Servings: 6 cups
- Cuisine: Low-Carb / Keto Dessert
- Course: Dessert
Flavor Profile Breakdown
- Bright, tangy citrus from lime juice and zest
- Creamy, smooth mouthfeel from whipped cream and cream cheese
- Sweetness balanced without sugar
- Light, airy texture — not dense
- Refreshingly cool and satisfying
Pro Tips for Best Results
- Chill the mixing bowl — cold cream whips better
- Adjust sweetener gradually to taste
- Use fresh lime juice for the best flavor
- Whip cream to soft peaks before folding
- Fold gently to preserve airiness
- Let mousse chill thoroughly before serving
Variations & Substitutions
- Substitute lemon juice for lime for a lemon version
- Add a few drops of green food coloring for visual pop
- Top with fresh berries for extra freshness
- Use coconut cream for dairy-free variation
- Add lime slices or zest curls for garnish
Common Mistakes to Avoid
- Trying to mix warm cream — always use cold
- Over-folding the whipped cream and deflating mousse
- Skipping chill time — mousse won’t set properly
- Adding too much juice at once — can thin texture
- Using low-fat cream — won’t whip correctly
Serving Suggestions
- Garnish with extra lime zest
- Top with fresh raspberries or blueberries
- Serve with a light mint sprig
- Pair with sugar-free whipped cream dollop
Storage & Reheating Tips
- Store covered in refrigerator up to 3 days
- Keep chilled — don’t leave out at room temperature
- No reheating required
- If texture becomes slightly firm, let sit briefly before eating
Nutrition Information (Approximate)
Calories: ~180 kcal
Protein: ~2 g
Carbohydrates: ~2–3 g net carbs
Fat: ~17 g
Fiber: ~0 g
Sugar: ~0 g
Sodium: ~40 mg
Keto Lime Mousse Cups
Ingredients
Method
- Chill mixing bowl and whisk attachment in the freezer for about 10 minutes
- Pour cold heavy whipping cream into chilled bowl and begin whipping on medium speed
- Once cream starts to thicken slightly, add keto sweetener and continue whipping
- Whip until soft peaks form and set aside
- In separate bowl, beat softened cream cheese until smooth and creamy
- Add fresh lime juice, lime zest, vanilla extract, and a pinch of salt into the cream cheese
- Mix until fully incorporated and smooth
- Gently fold whipped cream into cream cheese mixture in batches
- Continue folding until completely combined and airy
- Taste and adjust sweetener or lime to preference
- Spoon mousse into individual serving cups or ramekins
- Refrigerate for at least 30 minutes to allow mousse to set
- Serve chilled for best flavor and texture
Notes
- Protein: ~2 g
- Carbohydrates: ~2–3 g net carbs
- Fat: ~17 g
- Fiber: ~0 g
- Sugar: ~0 g
- Sodium: ~40 mg
Final Thoughts
These Keto Lime Mousse Cups deliver all the bright flavor of fresh lime with a smooth, dreamy texture that makes dessert feel both light and indulgent. They’re ideal for keto diets, summer gatherings, or anytime you want a refreshing and elegant treat without excess carbs. With easy preparation and delightful taste, you’ll find yourself making them again and again.
FAQs
Can I use bottled lime juice instead of fresh?
Fresh lime juice offers the best bright flavor, but bottled can be used if necessary.
Can this dessert be made ahead of time?
Yes — prepare and chill ahead for easy serving later.
Is this recipe suitable for strict keto diets?
Yes — with sugar-free sweetener and low carbs, it fits keto macros well.
Can I make a dairy-free version?
Yes, use chilled coconut cream instead of heavy cream and dairy-free cream cheese.
How firm does the mousse get?
The mousse becomes light and slightly firm after chilling — soft, not dense.
