Lemon Mousse with Light Whipped Cream

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A silky, airy dessert that mimics the soft glow of light, balanced with zesty lemon and delicate whipped cream. This french-inspired desserts ready in about 25 minutes layers lemon juice, granulated sugar, egg whites into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 220 calories and feeds 6, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 25 min Serves 6 French cuisine 220 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a heatproof bowl, whisk 1/4 cup lemon juice, 1/3 cup sugar, and 1 tbsp lemon zest until the sugar dissolves. Set aside to cool.
  2. Step 2: In a separate bowl, beat 4 egg whites with 1/8 tsp salt until soft peaks form. Gradually add the cooled lemon mixture, folding gently until fully incorporated.
  3. Step 3: In another bowl, whip 1 cup heavy cream with 1/4 cup confectioners' sugar and 1 tsp vanilla until stiff peaks form. Gently fold the whipped cream into the lemon mousse mixture.
  4. Step 4: Pour the mousse into a chilled serving dish and refrigerate for at least 2 hours before serving. Garnish with additional lemon zest if desired.

Frequently asked questions

How long does Lemon Mousse with Light Whipped Cream take to make?

Total time is about 25 minutes (25 min prep + 0 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.

How do I store leftover Lemon Mousse with Light Whipped Cream?

Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.

Can I substitute ingredients in Lemon Mousse with Light Whipped Cream?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Lemon Mousse with Light Whipped Cream for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Lemon Mousse with Light Whipped Cream?

French desserts like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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