Grasshopper Ice Cream Pie

3 1/4 c Miniature marshmallows

2 tb Milk

1/4 c Green creme de menthe

2 tb White creme de cacao

1 c Whipping cream; whipped

1 pt Vanilla ice cream; softened

1 Chocolate wafer crust

-(9-inch) Additional whipped cream =for garnish Recipe by: Southern Living

Combine marshmallows and milk in top of double boiler; bring water to a boil. Reduce heat to low; cook until marshmallows melt, stirring frequently. Remove from heat; coo, stirring occasionally. Add creme de menthe and creme de cacao; fold in whipped cream. Spread ice cream evenly in piecrust, and pour marshmallow mixture over ice cream. Freeze at least 6 hours. Garnish with additional whipped -----