8 oz. unsweetened chocolate (8 squares)
1/2 lb. butter
5 eggs
2 1/2 c. sugar
1 Tbsp. vanilla extract
1 1/2 c. flour
2 c. coarsely chopped walnuts (optional)
Grease a 13×9 inch pan and pre-heat oven to 375º F. Melt the chocolate and the butter in the top of a double boiler over simmering water. Whisk until smooth. Set aside to cool while beating eggs. Beat the eggs, sugar and vanilla at high speed for a full 10 minutes. Blend in the chocolate-and-butter mixture at low speed. Add flour, beating just to blend. Stir in walnuts, if desired. Bake 30 to 35 minutes. Do not overbake. The brownies are done when a toothpick inserted into the center comes out slightly dirty. Cool in pan, then cut into squares. Makes 32 brownies.