1 (4 oz.) bar sweet butter
1 c. sugar
1 tsp. vanilla
2 squares bitter chocolate
2 eggs
1/2 c. flour
1 dash salt

Preheat oven to 325 degrees. Melt chocolate, mix flour and salt together. Cream sugar and butter, add vanilla, eggs and beat well. Add chocolate and beat well, add flour mixture and beat well. Pour into a 8 x 8 inch greased pan. Bake 25 to 30 minutes.