**1 cup of cake flour can be made by placing 2 Tablespoons of cornstarch in a 1 cup measuring cup and then filling the rest of the measuring cup with all-purpose flour (14 Tablespoons of all-purpose flour). For this recipe, make 2 cups of cake flour, stir the cornstarch and flour together, and then measure out 1¾ cup to actually use. Then sift the 1¾ cup flour.