1/2 c. butter
1/2 c. peanut butter
1/2 c. brown sugar
1/2 c. sugar
1 egg
1 c. flour
1/2 tsp. baking soda
1 tsp. vanilla
1/2 tsp. salt

Mix in order given. Bake at 325 degrees for 15 to 17 minutes. (Double this for a cookie sheet.)

FROSTING:

1/4 c. butter
1/4 c. milk
1/2 box (8 oz.) powdered sugar
1/2 tsp. salt
1/2 tsp. vanilla
1/4 c. peanut butter

Bring milk and sugar to boil, mix with other ingredients. Spread frosting on brownies while still warm.