Mud Pie - cooking recipe

Ingredients

1/2 c. butter
1 c. powdered sugar
1 tsp. vanilla
16 oz. pkg. chocolate chips
3 eggs
chocolate pie shells

Preparation

Blend the first 3 ingredients and whip.
Melt the chocolate chips and add to above mixture.
Add the eggs, one at a time, and beat well.
Pour into the pie shells and freeze until 1 hour before serving with Cool Whip.