Ingredients

  • 4 teaspoons unsalted butter
  • 4 teaspoons red currant preserves or 4 teaspoons grape preserves
  • 9 large egg whites, at room temperature
  • 1/2 cup vanilla sugar
  • 1/2 lemon, zest of
  • 4 egg yolks
  • 1/4 cup granulated sugar
  • 1/2 cup sifted all-purpose flour
  • confectioners' sugar, for dusting

Method

  • Preheat the oven to 450 degrees
  • Place four 9" oval au gratin dishes (or one large oval glass/ceramic lasagna dish) on a baking sheet.
  • In each small dish place 1 teaspoon butter and 1 teaspoon preserves. (If you are using a lasagna pan, smear the bottom with the butter and then with preserves.).
  • Combine egg whites, vanilla sugar, and lemon zest in a large metal bowl. Beat with an electric hand mixer at high speed until stiff peaks form.
  • Beat egg yolks with granulated sugar. Gently fold the egg yolks and flour into the meringue. Use a spatula to place three large mounds of the mixture into each au gratin dish. Lightly smooth the surface of each peak and valley.
  • Bake for 8 minutes, until puffed and golden.
  • Dust with confectioners' sugar and serve immediately.