Impossible Coconut Custard Pie

Ingredients:

...magically makes it's own crust!

1/2 cup Bisquick
3/4 cup sugar
4 eggs
2 cup milk
1 can (3 1/2 oz.) coconut
1 tsp. vanilla
1 TBS. butter, softened

Directions:

Combine all ingredients and pour into 9 inch buttered pie pan. Bake at 400 degrees for 25-30 minutes until custard sets. Like magic it layers into crust, custard, coconut topping. Cool. 

Source: The Recipe Graveyard