ingredientscake batter:2 1/2 cups all purpose flou 1 tub (10 ounces) ricotta cheese drained overnight if needed, (see note below) 1 tub (16 ounces) mascarpone cheese drained if needed 3 cups powdered sugar (possibly more if needed to thicken frosting) 1 teaspoon vanilla extract 1 teaspoon fresh orange juic