1/2 c. butter
2 sq. bitter chocolate
1 c. sugar
1 tsp. salt
2 eggs
1/2 c. flour
1 c. chopped walnuts
1 tsp. vanilla

Melt butter with chocolate. Blend with sugar, salt and eggs. Stir flour and chopped walnuts into the mixture. Add vanilla. Pour into a shallow tin and bake at 350 degrees for 20 minutes. Pan size = 10 x 10. I use a 9 x 9 pan.