Krusteaz Cinnamon Swirl Crumb Cake & Muffin Mix, No Artificial Flavors, Colors or Preservatives, 21-Ounce Box: What makes this the perfect cake for any coffee break? The mile-high crumb topping, for starters. Krusteaz Cinnamon Swirl Crumb Cake & Muffin Mix is a classic and it is easy to make. You just need water & egg and you are done in three quick steps. Contains wheat and milk. Each box is 21 oz and makes 1 8x8 pan. Ramp up your time for dessert with this moist, tender taste that bakes in no time. This Krusteaz Cinnamon Swirl Crumb Cake Mix also makes muffins! Family owned since 1932, our story started in Seattle with an easy-to-prepare pie crust mix named “Krusteaz” (crust + ease). Our innovative spirit helped us grow from a Northwest tradition to a national favorite bringing families together through great tasting food. Today our product line includes pancakes, waffles, muffins, breads, cookies, dessert bars, cornbread, crumb cakes and more. One bite and you’ll know why Krusteaz is such a cherished tradition.