Yellow cake mix, pumpkin, butter and pecans are the ingredients that make this Pumpkin Dump Cake a favorite — and ready under an hour! Ingredients: 29 oz can pumpkin, 1 cup sugar, 1 can evaporated milk, 3 eggs, 4 tsp. pumpkin pie spice, 3/4 cup melted butter, 1 box yellow cake mix, 1/2 tsp salt, 1 cup pecans, chopped