4 sq. bitter chocolate
1 c. butter
2 c. sugar
4 eggs
1 c. flour
1 c. nuts (optional)
1 tsp. vanilla

Melt chocolate and butter in saucepan. Add remaining ingredients in order. Pour into greased 9x13x2 pan. This mixes well with a wooden spoon. Bake at 350 degrees for 30 minutes.

Cool and frost with chocolate icing or sprinkle with sifted powdered sugar. Yields approximately 24 squares.