1 c. butter
2 sq. unsweetened chocolate
2 c. sugar
4 eggs
1 c. chopped nuts
1 1/2 c. sifted flour
1 tsp. baking powder
2 tsp. vanilla

Melt butter and chocolate over low heat. Add sugar and eggs. Sift flour with baking powder. Stir into creamed mixture. Bake at 350 degrees for 35 to 40 minutes. Cool completely before cutting.