Impossible Pumpkin Pie

Ingredients
- 1 16 oz can pumpkin
- 1 13 oz can evaporated milk
- 2 eggs
- 2 tsp vanilla
- 12 c Bisquick
- 34 c sugar
- 2 12 tsp pumpkin pie spice
- 2 Tbsp butter
Directions
- Grease 1 9-inch pie pan
- Blend all ingredients and pour in pan
- Bake at 350 for 55 to 60 minutes
- Pie is done when knife inserted comes out clean
- Cool
- Serve with Cool Whip