1 box brown sugar
2 c. white sugar
2 tbsp. Karo
2 c. milk
1 c. peanut butter
1/4 stick butter
1 tsp. vanilla

Cook first 4 ingredients until it forms a soft ball. Remove from stove and place in cold water. Add remaining ingredients, stirring rapidly until smooth. Pour into buttered 9 x 13 inch pan. Let cool and cut into bars.