the best we've ever had.
In saucepan, combine chocolate & shortening. Cook over low heat, stirring occasionally, until melted (3 – 5 mins).
Coat cup with 1 tsp melted chocolate to 1/8″ thickness; repeat & refrigerate.
In saucepan, combine butter & peanut butter. Cook over medium heat, stirring occasionally, until melted (4 – 6 mins). Stir in icing sugar & graham cracker crumbs. Press 1/2 Tbs filling into each chocolate cup.
Spoon 1/2 tsp melted chocolate on top of filling; spread to cover.
Freeze until firm (2 hours).
Store in fridge.