2 sq. (1 oz. each) unsweetened baking chocolate
1/2 c. unsalted butter
2 eggs
3/4 c. sugar
1/2 c. flour
1 tbsp. vanilla
1 tsp. baking powder
1/4 tsp. salt
1 c. chopped walnuts
1 c. semi-sweet chocolate chips

Combine chocolate and butter in 2 quart glass measuring cup. Cook on High Power in microwave 2 1/2 minutes. Stir until blended. Beat eggs in large bowl. Add chocolate mixture, sugar, flour, vanilla, baking powder, and salt. Blend well. Stir in nuts and chocolate chips. Turn into 9 inch deep dish. Cook on High 6 minutes. Brownies will firm as they cool.