Peanut Butter Cups
["1/2 c. butter", "1 1/2 c. granulated sugar", "1 1/2 c. chocolate chips", "3/4 c. peanut butter", "1 1/2 c. powdered sugar", "3 Tbsp. shortening"]
["Note:", "Need 24 paper nut cups, 1 1/2 x 1 1/4-inches."]
["butter", "sugar", "chocolate chips", "peanut butter", "powdered sugar", "shortening"]