1/2 c. butter
2 oz. unsweetened baking chocolate
1/2 tsp. salt
1 c. sugar
2 eggs
1 tsp. vanilla
1/2 c. nuts, optional
3/4 c. flour
1/2 tsp. baking powder

Preheat oven to 325 degrees. Melt butter and chocolate over low heat. cool and transfer to a mixing bowl. Mix in sugar, salt, eggs, one at a time, vanilla, nuts, flour and baking powder. Pour batter into the greased pan, spread evenly. Bake about 30 minutes. Cool slightly and cut into squares.