1/2 c. butter
1 c. sugar
1 tsp. vanilla
2 eggs
2 (1 oz.) sq. unsweetened chocolate, melted
1/2 c. all-purpose flour
1/2 c. walnuts, chopped

Cream butter, sugar and vanilla. Blend in beaten eggs and chocolate. Stir in flour and nuts. Pour into greased 8 x 8 inch baking pan. Bake at 375 degrees for 30 to 35 minutes. Cool and cut into 16 squares.