Pumpkin Dump Cake
["1 large can Libby's pumpkin", "1 Duncan Hines spice cake mix", "1/4 c. margarine, melted", "3/4 c. chopped walnuts"]
["Prepare pumpkin according to directions on can label to make pie filling for two pies (requires eggs, sugar, spices and 2 cans evaporated milk)."]
["pumpkin", "cake mix", "margarine", "walnuts"]