<<Disclaimer: Verify this information before applying it to your situation.>> 1 1/2 cup butter milk 3 eggs 1 tsp oil 1 tsp vanilla 1 cup brown sugar 1 cup reg sugar 2 tsp baking powder 1 tsp baking soda 1 tsp salt 4 tbl potato starch 2 1/2 cups rice flour Mix wet ingredients, then add dry ingredients. Wisk until smooth. Bake in two nine inch cake pans in a preheated 375 degree oven appx 20 minutes. Spice Cake: Use same recipe as above with addition of following ingredients: 2 tsp cinnamon 1/2 tsp ginger 1/2 tsp allspice