BASE:

1 (2 oz.) unsweetened chocolate
1/2 c. butter
2 eggs
1 c. sugar
1/2 c. flour

FILLING:

1/2 c chunky peanut butter
1/3 c. butter
1/2 c. powdered sugar
2 tbsp. milk or cream

TOPPING:

2 oz. chocolate chips
2 tbsp. butter

Melt chocolate and butter together. Beat eggs and sugar together until light and fluffy. Add flour and chocolate. Stir well. Pour into greased and floured 9 inch pan. Bake for 25 minutes; cool in pan. Spread peanut butter filling over brownies, chill for 1 hour. Drizzle melted chocolate topping over filling, chill. Cut into bars.

For filling: Mix all ingredients until smooth.