Not a pie per se, more like a cross between cake and pie.
Very easy, and very good!

Pumpkin Pie Crunch

Ingredients1 pk Yellow cake mix
1 cn Pumpkin; 16 oz
12 oz Evaporated milk
3 Eggs
1 1/2 c Sugar
4 ts Pumpkin pie spice
1/2 ts Salt
1 c Pecans; chopped
1 c Butter or margarine; melted
Whipped topping

1. Preheat oven to 350 degrees. Grease bottom of 9 x 13 pan.
2. Combine pumpkin, evaporated milk, eggs, sugar, pumpkin pie spice and salt in large bowl. Pour into pan. Sprinkle dry cake mix evenly over pumpkin mixture; top with pecans. Drizzle with melted butter.

Bake 50 to 55 mins. or until golden. Cool completely.
Serve with whipped topping. Refrigerate leftovers.