Magic Cake

White cake with a custard-like middle.
Ingredients
  • 4 eggs at room temperature, separated
  • 3/4 cup white sugar
  • 1/2 cup butter, melted
  • 1 teaspoon vanilla extract
  • 3/4 cup all-purpose flour
  • 2 cups lukewarm milk
  • 2 tablespoons confectioners’ sugar, or to taste

Directions
  • Preheat oven to 325 degrees F (165 degrees C). Grease an 8-inch baking dish.
  • Beat egg whites in a large bowl with an electric mixer until stiff.
  • Combine egg yolks and white sugar in another large bowl; beat with an electric mixer until light and fluffy, about 2 minutes. Add butter and vanilla extract; beat until smooth, about 2 minutes. Fold in flour. Beat in milk slowly. Fold egg whites gently into the batter.
  • Pour batter into the prepared baking dish.
  • Bake in the preheated oven until top is golden, 45 to 70 minutes. Let cool, about 30 minutes. Dust top with confectioners’ sugar.