In a heavy saucepan, combine marshmallows and milk over low heat. Cook and stir until marshmallows are melted and mixture is smooth. Remove from heat. , Stir in vanilla, salt, peppermint extract and food coloring. Cool 30 minutes, stirring several times. Stir in 2 tablespoons crushed candies; fold in whipped cream. , Spoon into crust. Refrigerate, covered, 8 hours or overnight. Just before serving, sprinkle with remaining candy.