Pumpkin Spice Cake
["2 c. flour", "2 tsp. baking powder", "1 tsp. baking soda", "1 tsp. salt", "1 tsp. cinnamon", "1 3/4 c. sugar", "4 eggs", "2 c. pumpkin filling", "1 c. oil", "1/2 c. walnuts"]
["Mix together the dry ingredients. Add eggs, pumpkin and oil. Blend in nuts. Grease and flour 9-inch cake pans.", "Bake for 30 minutes at 350\u00b0.", "You may use a 9 x 13-inch pan."]
["flour", "baking powder", "baking soda", "salt", "cinnamon", "sugar", "eggs", "pumpkin filling", "oil", "walnuts"]