This recipe comes from cookiesandcups.com via Pinterest. It was really, really yummy.

• 1 15 oz can of pumpkin
• 1 can evaporated milk
• 1 cup light brown sugar
• 3 eggs
• 3 teaspoons pumpkin pie spice
• 1 box yellow cake mix
• 1 cup butter, melted
• 1 cup coarsely crushed graham crackers or pecans

Preheat oven to 350°. Grease bottom and sides of 9×13 pan; set aside. In a large bowl combine pumpkin, evaporated milk, sugar, eggs, and pumpkin pie spice. Stir to combine. Pour into your prepared pan. Sprinkle the entire box of cake mix on top, followed by your nuts or graham crackers. Pour melted butter evenly on top. Bake for 50-55 minutes or until the middle is set and the edges are lightly browned. Serve with ice cream or whipped cream.