Send some Holiday Cheer with our New InstaCake Holiday Cake in a Card. Everything you need to make a celebration cake in minutes! All you need is water and a microwave! Contains Milk, Eggs, Soy, Wheat. Prepared in a peanut-free facility. Gluten-free options are available. InstaCake is packaged in North America and prepared in a peanut-free facility. All items are made from the highest quality ingredients, including Madagascar Vanilla, real butter, and eggs.