Easiest Peanut butter fudge

Easiest Peanut butter fudge 1 tub vanilla frosting 1 cup peanut butter Empty both the peanut butter and frosting into a microwave safe container. Microwave on high for 1 min and stir Then microwave on high for 1 min on high and our mixture into glass pan. (8 x 8, works best) Smooth out, then refrigerate until hard