1 stick butter
2 sqs. bitter chocolate
1 c. sugar
1/2 c. flour
2 eggs
1 tsp. vanilla
Nuts (optional)

Melt butter with chocolate in saucepan. Gradually add sugar, flour, eggs, and vanilla. Stir after each addition. Add nuts (chopped), if desired. Grease square pan. Bake at 350 degrees for 25 minutes or toothpick test. May be sprinkled with powdered sugar when cool.