By Shannah Coe, My Suburban Kitchen
Preheat oven to 350 degrees. Line a 9x9 square baking dish with parchment paper. Set aside. In a medium bowl, combine melted butter, graham cracker crumbs and sugar. Press into the bottom of the baking dish. Bake for 5 minutes. Remove from oven. Drizzle 1/2 cup melted peanut butter over crust. Top with 1/2 chocolate chips. Drizzle sweetened condensed milk over chocolate chips. Top with remaining chocolate chips and peanut butter cups. Bake for 20-25 minutes. Remove from oven and let cool completely. Drizzle remaining peanut butter.