2 c. sugar
1/2 stick butter
3/4 c. peanut butter
1/2 c. Pet milk
1/4 c. white Karo syrup

Melt butter in microwave on High for 45 seconds. Stir in sugar, milk and syrup. Cook on High 3 minutes; stir well. Cook on High 2 minutes; stir well. Cook on High 1 minute; stir well. Cook on High 1 minute. (Check for soft ball in water; if not solid, cook in increments of 1 minute, stirring between each one. Stir in peanut butter and mix well. Pour into greased 9 x 13 dish. Cool before slicing.