2 squares unsweetened chocolate
2 eggs
1/8 tsp. salt
1/2 c. walnuts (optional)
1 1/4 c. brown sugar
1/4 c. butter
1/2 c. flour
1 tsp. vanilla

Melt chocolate and butter. Remove from heat. Add the rest of the ingredients. Mix well. Spread into 9-inch square pan. Bake at 300 degrees for 1 hour.