Double-Chocolate Walnut Brownies - cooking recipe

Ingredients

1 c. (2 sticks) butter or margarine
4 sq. unsweetened chocolate
2 c. sugar
3 eggs
1 tsp. vanilla
1 c. sifted all-purpose flour
1 1/2 c. coarsely chopped walnuts
1 (6 oz.) pkg. semi-sweet chocolate pieces

Preparation

Melt butter and chocolate in medium saucepan over moderate heat.
Remove from heat.
Beat in sugar, gradually, with a wooden spoon, until thoroughly combined.
Add eggs, one at a time, beating well after each addition.
Stir in vanilla.
Stir in flour until thoroughly combined.
Stir in 1 cup of walnuts. Spread into greased 13 x 9 x 2-inch pan.