Grape Mousse Cake

This fruity cake is a grape lover's dream come true.


  • 1 bunch black grapes
  • 1 bunch green grapes
  • 1 castella sponge cake
  • Honey
  • Grape mousse:
  • 300 milliliters grape juice
  • 60 grams granulated sugar
  • 200 grams plain yogurt
  • 200 grams heavy cream
  • 20 grams powdered gelatin


  1. First, wash and dry the grapes. Pull grapes off the stems and set aside.
  2. Then sprinkle the gelatin onto 50 milliliters of water and let it sit to bloom.
  3. Whip the cream to stiff peaks.
  4. Cut the castella into 1 centimeter thick slices.
  5. Arrange castella slices into a square pan.
  6. Combine grape juice and sugar in a saucepan and heat until sugar has dissolved. Stir in gelatin and mix to dissolve completely.
  7. Put some ice in a large bowl and place a smaller bowl inside. Pour mixture into the smaller bowl and cool until slightly thickened.
  8. Fold in the yogurt and whipped cream and gently mix until incorporated.
  9. Pour mixture over the castella slices and smooth out the surface. Arrange the grapes on top, making sure to push the grapes halfway into the yogurt mixture.
  10. Refrigerate until firm.
  11. Slice into individual portions and brush on honey if desired.