Peanut Butter Microwave Fudge

1 C sugar
2 T Butter
1/3 C milk
1 C peanut butter

Put sugar, butter, and milk in a large mixing bowl. Cooking in the microwave three minutes on high. Take out the ingredients and mix with a hand mixer until blended. Microwave another 31 seconds, add peanut butter and mix by hand. Sprinkle on an 8 x 8-inch frying pan lined with aluminum foil. Allow to cool and chop.