1/2 lb. sweet butter
4 oz. unsweetened chocolate
4 eggs
2 c. sugar
3/4 c. flour
1 tsp. vanilla
1 c. walnuts or pecans

Preheat oven to 375 degrees. Grease and flour 9x12 inch baking pan. Melt butter and chocolate over very low fire. Set aside to cool. Beat eggs and sugar until thick and lemon colored. Add vanilla. Fold chocolate mixture into eggs and sugar. Mix thoroughly. Sift flour and fold gently into batter until blended. Fold in nuts. Bake for 25 minutes. Allow brownies to cool 30 minutes before cutting.