Pumpkin Pie Cake
["1 large can pumpkin", "dry yellow cake mix", "1 1/2 sticks margarine, melted", "chopped pecans", "Cool Whip"]
["Make pumpkin according to recipe on the can for 2 pies. Spread in a greased 9 x 13-inch pan (Pyrex if you have one). Sprinkle dry cake mix over pumpkin mixture.", "Drizzle with margarine to cover dry cake mix.", "Top with chopped pecans.", "Bake 1 hour at 350\u00b0; cool.", "Top with Cool Whip to serve."]
["pumpkin", "yellow cake", "margarine", "pecans"]