1/2 c. milk
2 c. sugar
2 tbsp. Karo syrup (white)
1/2 stick butter
2/3 c. peanut butter
1 tsp. vanilla

Boil milk, sugar, butter, and syrup together for 5 minutes. Take off stove and add vanilla and peanut butter. Stir until it starts to stick to side of pan. Pour into 6 x 6 inch buttered pan. Let cool and cut into pieces.