1Graham Cracker Crust:
Melt the butter in the microwave in a bowl. Stir in sugar and crumbs. Line an 8 inch pan with nonstick foil and press the crumb mixture in. Bake about 9 minutes at 350 degrees and let cool.
Once cool, line the crust with snack size peanut butter cups to cover the bottom.
2Peanut Butter Cheesecake:
With an electric mixer, beat cream cheese and sugar. Add egg and peanut butter and pour over peanut butter cups. Spread over crust. Bake for 30 minutes at 350 degrees. Let cool completely.
3Peanut Butter Ganache:
Stir in 6 ounces peanut butter chips until melted and smooth. Stir in 2 tablespoons sifted powdered sugar and pour over the bars. Chill until firm before cutting. Cut into 9 squares and drizzle melted dark chocolate chips on top of each bar. Keep chilled!