Place marshmallows, chocolate pieces and milk in a 2 qt.glass casserole dish.
Microwave 2 to 3 minutes, stirring once during cooking.
Add coffee and stir until smooth.
Refrigerate until mixture begins to thicken.
Fold whipped cream into thickened chocolate mixture.
Pour into pie crust and refrigerate several hours or until set.
If desired, garnish with toasted slivered almonds.