Ingredients
1 cup brown sugar
1/2 cup margarine, melted
1/2 cup chunky peanut butter
1 egg
1 tsp. vanilla
1 1/2 cups flour
1 tsp. baking soda
1/2 cup oatmeal
Mix all ingredients together. Batter will be very thick. Press into greased 9"x13" pan. Bake at 375 degrees for 12 to 15 minutes. Let cool and frost.
Directions
Frosting:
2 tbsp. margarine
2 tbsp. peanut butter
1 1/2 cups confectioners' sugar
1 tsp. vanilla
2 to 3 tbsp. milk
Mix all ingredients together until smooth; drizzle over bars.