1/2 c. butter
2 eggs
2 (1 oz.) sq. unsweetened chocolate, melted
1/2 c. sifted flour
1 c. sugar
1 tsp. vanilla
1/2 c. nuts (optional)

Heat oven to 325 degrees. Thoroughly cream butter and sugar, add eggs and beat well. Blend in the melted chocolate, vanilla and flour. Mix nuts into batter and pour into greased 8 x 8 x 2 inch pan. Bake 35 minutes.