1/2 c. crunchy peanut butter
3/4 c. brown sugar
2 eggs
1 c. flour
1/4 tsp. salt
1/3 c. softened butter
3/4 c. sugar
2 tsp. vanilla
1 tsp. baking soda
6 oz. chocolate chips

Combine peanut butter, butter, brown sugar and sugar. Beat until creamy. Gradually beat in eggs and vanilla. Add dry ingredients. Blend. Spread into greased 9x13 pan. Sprinkle chocolate chips on surface. Bake in 350 degree oven for 5 minutes. Run knife through to marbelize. Bake for additional 25 minutes.