Lemon Cake With Raspberry Mousse without yolks

1/2 cup butter or 1/2 cup soft margarine 2 cups granulated sugar 2 eggs 1/4 cup plain 1% yogurt 2 large lemons, rind of 3 cups flour 2 teaspoons baking powder[...]

5 large eggs 2 cups sugar 3 cups all-purpose flour 4 teaspoons baking powder 1 pinch salt 3 large lemons, zest of , of 1 tablespoon pure vanilla extract 2[...]