1 c. butter, melted
1 c. flour
1/2 tsp. baking powder
1/2 c. milk
1 c. chopped walnuts
1 (14 oz.) can sweetened condensed milk
2 c. sugar
2/3 c. cocoa
2 eggs
3 tsp. vanilla
1 (12 oz.) pkg. chocolate chips

Preheat oven to 350 degrees. Combine butter, sugar, flour, cocoa, baking powder, eggs, milk, and 1 1/2 teaspoon of vanilla; beat well. Stir in nuts. Spread into a greased and floured 13 x 9 inch pan. Bake 40 minutes. Just before brownies are done, melt chips in a saucepan with 1 1/2 teaspoon vanilla and condensed milk. Spread fudge mixture over hot brownies. Cool. Chill and cut into bars.