Easy Six-Layer Rainbow Cake
This recipe can be used to create a homemade rainbow cake from scratch. A light mascarpone cream frosting and a 6-layer, 9-inch round cake are included in this cake recipe.
Preheat the oven to 400 degrees F (200 degrees C).
Grease six 9-inch round cake pans and dust with flour.
Sift together the flour baking powder and baking soda.
Beat 3/4 cup plus 2 tablespoons butter milk sugar egg whites and vanilla extract in a large bowl with an electric mixer until smooth.
Stir in flour mixture and mix until just combined.
Divide cake batter evenly between 6 bowls.
Mix in different food coloring to each bowl creating 6 different colored batters.
Start with just 1 to 2 drops of food coloring in each bowl then mix; you can always add more.