1/3 c. milk
24 marshmallows
3 tbsp. peanut butter
1 tsp. vanilla
3/4 carton large Cool Whip
1 chocolate pie crust

Melt together milk, marshmallows, peanut butter, and vanilla. Cool. Add to Cool Whip and blend. Pour into a chocolate pie crust. Spread remaining Cool Whip. Chill overnight. This freezes well.