Pumpkin Spice Cupcakes with Cinnamon Cream Cheese Frosting ~ Cake: mix Box of Spice Cake + 15 oz. can Pumpkin Puree, fill muffin tins 3/4 full of batter, bake 350 for 20 min. Cool. Frosting: 1 pkg. of Cream Cheese(softened), 1/4 c. of Butter (softened), 1 tsp. Cinnamon, 1 tsp. Vanilla Extract, 3 c. of Powdered Sugar. Mix till fluffy & frost your cooled cupcakes!