Lemon Mousse: A Simple Step-by-Step Recipe

Lemon Posset is a simple step-by-step recipe that has been known to pastry chefs since the 19th century. Today, we'll explain in detail how to make this light and incredibly delicious foamy dessert with a bright citrus flavor at home, and we'll also demonstrate the entire preparation process with step-by-step photos.

Lemon Mousse: A Simple Step-by-Step Recipe
Nutritional value per serving
301.7 kcal
  • Proteins: 5.3 g
  • Fats: 23.5 g
  • Carbohydrates: 16.7 g
*Nutritional value is calculated per 100g of ingredients
  • Total time:
  • Time in the kitchen:
  • Complexity:
    It's easy and straightforward to prepare, but it does require some experience. Not everyone can do it right the first time.
  • Number of servings: 1
A foamy cream with an unusual, porous texture was invented by Henri de Toulouse-Lautrec (a French painter and great lover of unusual desserts). He created his first mousse using white chocolate and whipped cream, hence the unusual name for his invention: Chocolate Mayonnaise.

Since then, confectioners have come up with an incredible variety of foamed dessert recipes, among which lemon mousse remains the most famous and popular, served both as a standalone dish and used in the preparation of mousse cakes, supplementing the recipe with regular gelatin.

Lemon mousse for cake

We have previously told you how to prepare:

Today we'll learn how to make a delicious and simple lemon mousse at home. Please note that to make this recipe, we'll need certain ingredients: 3 large, ripe, thin-skinned lemons (not limes!) and heavy cream (preferably 35%).
Lemon mousse for cake and desserts, step by step
Lemon Mousse – A Simple Homemade Recipe
Ingredients
Servings
  • Cream 35%
    500 ml
  • Lemon juice
    300 ml
  • Water
    250 ml
  • Condensed milk
    200 ml
  • Sugar
    50 G
  • Cornstarch
    70 G
  • Dry dye (water-soluble)
    as desired
Preparation

Step 1
Lemon Mousse Step by Step - Step 1

Cut three large ripe lemons into halves.

Step 2
Lemon Mousse Step by Step - Step 2

Squeeze out the juice (you should get 300 ml of fresh juice).

Step 3
Lemon Mousse Step by Step - Step 3

Strain the juice through a sieve or cheesecloth to remove any pulp fibers that remain after hand squeezing.

Step 4
Lemon Mousse Step by Step - Step 4

Add 250 ml of water and 50 grams of sugar to the lemon juice. Whisk the mixture thoroughly until the sugar is completely dissolved.

Step 5
Lemon Mousse Step by Step - Step 5

Add a small amount of water-soluble food coloring. Vary the amount depending on the desired brightness of the color.

You can skip this step if you don't want to use food coloring. The cream will be just as delicious, but it will have a lighter (almost milky) color after adding the cream.
Step 6
Lemon Mousse Step by Step - Step 6

Add 70 grams of corn starch to the mixture and mix thoroughly with a whisk until the mixture is smooth.

Step 7
Lemon Mousse Step by Step - Step 7

Place over low heat, bring to a boil, stirring vigorously to prevent lumps from forming, and then simmer for a few minutes until the desired consistency is reached.

Step 8
Custard base for lemon mousse

Pour the custard base into a bowl, cover with cling film in contact and let cool naturally.

Step 9
Lemon Mousse Step by Step - Step 8

Using a mixer, beat 500 ml of heavy cream (or special whipping cream with a high protein content). Gradually add 200 ml of condensed milk while whisking.

Step 10
Lemon Mousse Step by Step - Step 10

Whip until soft peaks form. Be careful not to overdo it and allow the mixture to separate, otherwise it will be impossible to fix.

Step 11
Lemon Mousse Step by Step - Step 11

Beat the cooled lemon base thoroughly again with a mixer.

Step 12
Lemon Mousse Step by Step - Step 12

Combine the lemon mixture and whipped cream.

Remember, they must be approximately the same temperature, otherwise the mass will separate.
Step 13
Lemon Mousse Step by Step - Step 13

Mix the mousse with a spatula until smooth (you can also beat it a bit with a mixer). You should end up with a mousse that's fairly dense yet very soft and airy.

Step 14
Lemon Mousse Step by Step - Step 15

Place the finished mousse into a piping bag and serve the dessert in clear bowls.

For decoration, you can use: lemon zest, grated chocolate, whipped cream, chopped nuts, sprinkles or thick toppings.
Homemade Lemon Mousse dessert can be stored in the refrigerator for up to 72 hours, as can any cream containing dairy products.

If you're planning to make a lemongrass mousse cake, check out this video recipe, which details how to make lemon mousse with gelatin for a thick mousse layer for cakes:

Another original idea for those who are looking for a unique lemon dessert is a recipe for lemon-shaped mousse cakes:

We hope you'll enjoy making these desserts, and that your friends will appreciate lemon curd and the cakes and pastries made with it. We look forward to your feedback, including photos of your homemade dessert and your feedback on the recipe.

Try to cook also:


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