A delicious mix of everything you love about pumpkin pie in a cake!
Preheat oven to 350°.
Mix pumpkin, evaporated milk, sugar, eggs, vanilla, and cinnamon in large mixing bowl.
Pour into an ungreased 13x9 inch baking pan.
Sprinkle dry yellow cake mix over pumpkin mixture.
Drizzle melted butter over top. Add chopped pecans.
Bake at 350° for 1 hour or until center is cooked.
Top with whipped cream if you want!