Down in Dixie Bourbon Pie

1 box chocolate wafers, crushed
1/4 cup butter or margarine, melted
21 large marshmallows
1 cup evaporated milk
1 cup heavy cream
3 tablespoons bourbon

Mix chocolate wafer crumbs and melted butter. Pat into bottom and sides of a 9-inch pie pan. Bake at 350 degrees F until set