Coffee Crumb Cake GF

Sugar, White Rice Flour, Egg, Sour Cream (Cultured Pasteurized Light Cream, Nonfat Milk, Enzymes), Potato Starch, Palm, Butter, Tapioca Starch, Baking Powder, Cinnamon, Baking Soda, Vanilla, Xanthan Gum, Salt, Powdered Sugar