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A glass bowl filled with fluffy white vanilla mousse cake filling with a vintage silver spoon

Vanilla Mousse Cake Filling


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5 from 6 reviews

  • Author: Teresa Flagler
  • Total Time: 45 mins
  • Yield: Fills 8 or 9-inch 2-layer cake

Description

This heritage recipe creates a cloud-like Vanilla Mousse Cake Filling that is both incredibly light and stable enough to support tall layer cakes. It features the deep, pure flavor of real vanilla, making it an elegant and deeply satisfying dessert component.


Ingredients

  • Heavy Whipping Cream (Cold)
  • Cream Cheese (Softened)
  • Granulated Sugar
  • Pure Vanilla Extract
  • Vanilla Bean Paste (Optional)
  • Gelatin Powder
  • Cold Water
  • Powdered Sugar
  • White Chocolate (Optional, melted and cooled)


Instructions

  1. Begin by sprinkling gelatin powder over the cold water in a small bowl and let it sit quietly for about 5 to 10 minutes until bloomed.
  2. In a mixing bowl, beat the softened cream cheese until completely smooth. Add in the granulated sugar and continue to mix until combined.
  3. Add your vanilla extract and the vanilla bean paste (if using). Mix these in until the fragrance fills your kitchen.
  4. Take your bloomed gelatin and heat it in the microwave for just 10 or 15 seconds until liquid. Slowly pour this into your cream cheese mixture while your mixer is running at a low speed.
  5. In a separate, chilled bowl, whip your cold heavy cream with the powdered sugar until soft peaks form.
  6. Using a wide spatula, take a third of your whipped cream and stir it into the cream cheese base to lighten it. Gently fold in the remaining cream using slow, sweeping motions.
  7. Place your mousse in the refrigerator for about 20 to 30 minutes until slightly set but still spreadable, making it ready to spread onto your cake layers.

Notes

Ensure all your measuring cups and spoons are clean and dry, especially when working with gelatin, as any moisture inconsistency can affect the final set of the mousse. If you are preparing this mousse ahead of time, it can be kept airtight in the refrigerator for up to three days, but remember to bring it out slightly before spreading as it will stiffen considerably when fully chilled. If the mousse seems too stiff, you can try mixing it gently by hand for a few seconds to restore a spreadable texture.

  • Prep Time: 25 mins
  • Cook Time: 0 mins
  • Category: Dessert, Cake Filling
  • Method: No Bake, Whipping, Folding
  • Cuisine: American