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Fluffy vanilla mousse cake filling ready for layering

Vanilla Mousse Cake Filling

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5 from 14 reviews

  • Author: Meagan Lauren Nashman
  • Total Time: 50 minutes (includes chill time)
  • Yield: 2 cups (enough for one 8-inch layer cake)

Description

This easy-to-make Vanilla Mousse Cake Filling is light, airy, and stable enough to hold tall layer cakes, offering a sophisticated alternative to traditional buttercream. Using simple ingredients like heavy cream and cream cheese, it creates a cloud-like, velvet-smooth texture with pure vanilla flavor that is never too sweet.

Ingredients

  • 1 1/2 cups Heavy Whipping Cream, very cold
  • 8 oz Cream Cheese, softened to room temperature
  • 1/4 cup Granulated Sugar
  • 1/4 cup Powdered Sugar
  • 1 teaspoon Pure Vanilla Extract
  • 1 teaspoon Vanilla Bean Paste (optional)
  • 1 tablespoon Gelatin Powder
  • 1/4 cup Cold Water

Instructions

  1. Bloom the Gelatin: Sprinkle the gelatin powder over the cold water in a small bowl. Let it sit for about 5 to 10 minutes to bloom.
  2. Mix the Cream Cheese Base: In a medium bowl, beat the softened cream cheese until smooth and creamy. Add the granulated sugar and mix until fully incorporated and lump-free.
  3. Add the Flavoring: Stir in the pure vanilla extract and the optional vanilla bean paste. A tiny pinch of salt can be added for balance.
  4. Melt and Incorporate Gelatin: Heat the bloomed gelatin in the microwave for 10 to 15 seconds until clear. Slowly pour the liquid gelatin into the cream cheese mixture while whisking constantly.
  5. Whip the Cream: In a separate chilled bowl, whip the cold heavy cream with the powdered sugar until soft peaks form.
  6. Fold the Mixture: Slowly and gently fold the whipped cream into the cream cheese base using a large spatula and sweeping motions. Incorporate in two or three batches until the mousse is uniform.
  7. Chill Before Using: Refrigerate the filling for about 20 to 30 minutes before spreading or piping onto cake layers to allow it to begin setting.

Notes

For the richest flavor profile in this filling, always choose a high-quality pure vanilla extract or paste since it is the star of the show. If you find your finished mousse is too soft, you can troubleshoot by ensuring your cream cheese was fully blended and that the gelatin was completely melted before incorporating it. This filling works beautifully with any neutral flavored sponge cake, such as white, yellow, or even lemon cake.

  • Prep Time: 20 minutes
  • Cook Time: 0 minutes
  • Category: Dessert
  • Method: No-Bake, Whipping, Folding
  • Cuisine: American

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Find it online: https://cakesavor.com/vanilla-mousse-cake-filling/