Duncan Hines Gluten Free Vanilla Creme Cake

cake mix (sugar, potato starch, rice flour, cassava flour, leavening (monocalcium phosphate, sodium bicarbonate, cornstarch), rice starch, salt, xanthan gum), glaze mix (powdered sugar (sugar, corn starch), vegetable oil shortening (palm oil), cocoa processed with alkali, natural flavor), creme filling mix (powdered sugar (sugar, corn starch), food starch-modified, gelling agent (carrageenan, tetrasodium pyrophosphate, disodium phosphate), natural and artificial flavor, yellow 5, yellow 6).