Double Chocolate Brownies - cooking recipe

Ingredients

1/2 c. butter or margarine
1 (12 oz.) pkg. semi-sweet chocolate chips
1 1/2 c. sugar
1 1/4 c. flour
1 tsp. vanilla
1 tsp. baking powder
1 tsp. salt
3 eggs
1 c. coarsely chopped walnuts

Preparation

Heat margarine and one cup chocolate chips in 3-quart saucepan over low heat, stirring constantly, until melted.
Stir in sugar, flour, vanilla, baking powder, salt and eggs until smooth.
Stir in remaining chocolate chips.
Spread in greased 13 x 9 x 2-inch pan. Sprinkle with walnuts.
Bake until center is set, about 30 minutes at 350\u00b0.
Cool completely.