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Two glass jars filled with creamy pale yellow lemon mousse, piped with swirled whipped cream and topped with fresh lemon zest, surrounded by halved lemons and a spoon on a marble surface.

Lemon Mousse

An incredibly light, silky, and airy no-bake citrus dessert made by folding voluminous whipped heavy cream into a rich, sweet lemon juice and condensed milk reduction base.
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Prep Time 15 minutes
Chilling Time 1 hour
Total Time 1 hour 15 minutes
Servings: 4 people
Course: Dessert
Cuisine: American
Calories: 310
Ingredients Equipment Method Notes

Ingredients
  

  • ½ cup fresh lemon juice squeezed from whole ripe fruit for a clean authentic flavor profile
  • 1 tablespoon lemon zest divided for internal spice depth and the final decorative top garnish
  • 14 ounces sweetened condensed milk one full can to build a thick, glossy structural body smoothly
  • 2 cups heavy whipping cream kept completely chilled inside the fridge until the exact mixing step

Equipment

  • 1 Electric Hand Mixer Essential for beating the cold heavy cream into stable, stiff structural peaks quickly
  • 2 Glass Mixing Bowls One used for building the thick yellow base, the other chilled for the whipping steps
  • 1 Piping bag with star tip Used to cleanly pipe the pale-yellow cream into elegant bakery-style swirls inside the cups

Method
 

  1. Grate the outer yellow skins of your fresh lemons carefully using a fine microplane tool to yield one tablespoon of aromatic zest.
  2. Slice the zested lemons in half and squeeze firmly to extract a half-cup of clean, seedless juice into a separate storage cup.
  3. Pour the sweetened condensed milk and fresh lemon juice together inside a large bowl, whisking until the mixture thickens into a glossy paste.
  4. Stir half of your fresh lemon zest directly into the thick yellow milk reduction base, saving the remaining half on your counter.
  5. Beat the cold heavy whipping cream inside a separate chilled glass bowl on high speed until stable, stiff peaks form cleanly.
  6. Spoon one-third of your stiff cream into the thick yellow base, folding gently with a spatula to loosen the dense texture smoothly.
  7. Add the remaining whipped cream slowly, folding with gentle circular motions just until the white and yellow layers blend uniformly.
  8. Transfer the fluffy mousse into a piping bag with a star tip and squeeze elegantly into individual glass jars to build thick swirls.
  9. Crown the swirling peaks with the saved lemon zest and slide the jars into the refrigerator to set firmly for one hour before serving cold.

Notes

Whisk the lemon juice and sweetened condensed milk together completely before adding the cream to allow the natural acids to thicken the base safely. Use an icy cold bowl and beaters to achieve maximum volume during the heavy cream whipping steps.