Best EASY Sheet Cakes Recipes – Simple Party Crowds Desserts Pumpkin Sheet Cake with Cinnamon Cream Cheese Frosting! This cake only takes 30 minutes to make!Pumpkin Sheet Cake with Cinnamon Cream Cheese Frosting! This cake only takes 30 minutes to make! 13 Desserts, Brownie Desserts, Delicious Desserts, Dessert Recipes, Party Recipes, Chocolate Desserts, Cinnamon Desserts, Camping Desserts, Cinnamon Muffins