1/2 c. butter
1/2 c. sugar
1/2 c. brown sugar
1/3 c. peanut butter
1/4 tsp. salt
1/2 tsp. baking soda
1/2 tsp. vanilla
1 c. flour
1 c. oatmeal
12 oz. chocolate chips

Mix together all ingredients except chocolate chips. Pat into lightly greased 13x9 pan. Bake at 350 degrees for 20-25 minutes. Remove pan from oven and sprinkle chocolate chips over cookie mixture. Return to oven for several minutes until chips are melted. Smooth melted chocolate over bars and top with the following icing after they have cooled.

ICING:

1/2 c. powdered sugar
1/4 c. peanut butter
2-4 tbsp. milk

Mix until smooth and pour over cooled chocolate.