Cooking spray, for baking dish
1 (29-oz.) can pumpkin purée
1 (12-oz.) can evaporated milk
1 c. packed dark brown sugar
3 large eggs
3 tsp. pumpkin pie spice
1 box yellow cake mix
1 c. chopped pecans
1 c. (2 sticks) butter, very thinly sliced
Whipped cream, for serving
Step 1
Preheat the oven to 350º and grease a 9"-x-13" baking dish with cooking spray.
Step 2
In a large bowl, whisk together the pumpkin, evaporated milk, brown sugar, eggs, and pumpkin pie spice. Pour into prepared pan.
Step 3
In a medium bowl, stir cake mix and pecans together, then sprinkle evenly over the pumpkin mixture. Place pats of butter evenly on top.
Step 4
Bake until cake is set and the edges are crisp, about 1 hour 5 minutes.
Step 5
Let cool completely, then cut into squares and top with whipped cream before serving.