Crockpot Pumpkin Pie Pudding

1 can (15-oz) solid pack pumpkin
1 can (12-oz) evaporated milk
3/4 cup sugar
1/2 cup Bisquick baking mix
2 eggs beaten
2 Tbsp butter or margarine melted
2-1/2 tsp pumpkin pie spice
2 tsp vanilla
Whipped topping (optional)

In a large bowl mix together the first eight ingredients.

Transfer to a crock-pot coated with a non stick cooking spray.

Cover and cook on Low for 6 to 7 hours.