2 c. peanut butter
1 stick butter
3/4 c. brown sugar
2 3/4 c. powdered sugar
1 tsp. vanilla

Mix the above ingredients and spread in a 9 x 13 inch pan. Melt 12 ounce package of semi sweet chocolate chips and 2 tablespoons of butter in a pan and spread over the top of the peanut butter mix.