Reese's Peanut Butter Bars (No Bake)

1 1/2  C Graham Cracker Crumbs
3.5 C (1 lb.) Powdered Sugar
1 1/2 C Creamy Peanut Butter
1 C Butter, Melted
12 oz Bag of Chocolate Chips
2 tsp. Shortening or Peanut Butter

In a large mixing bowl, combine graham cracker crumbs, powdered sugar, and peanut butter and beat until combined.  Press into parchment or wax paper lined 9X13 pan.
Place chocolate chips and shortening in morcrowave safe bowl and heat in 30 second intervals, stirring after each one, until melted and smooth.  Pour Chocolate over peanut butter mixtrue and speread out evenly.  Place pan in fridge just until chocolate is set and then cut into bars.  If you chool too long and it is hard to cut, use a shap knife and score the cuts first and then gently cut through.  C