Banana Muffin Cake

BANANA, GLUTEN FREE FLOUR (SWEET RICE FLOUR, WHOLE GRAIN BROWN RICE FLOUR, POTATO STARCH, WHOLE GRAIN SWEET WHITE SORGHUM FLOUR, TAPIOCA FLOUR, XANTHAN GUM) SUGAR, EGG, MILK, BUTTER, SALT, BAKING SODA, BAKING POWDER, VANILLA, SALT