Mom's Brownies

4 oz. unsweetened chocolate OR 3/4 c. cocoa and 4 T. butter
2/3 c. shortening
2 c. sugar
4 eggs
1 tsp. vanilla
1 1/4 c. flour
1 tsp. baking powder
1 tsp. salt

Grease pan. Melt chocolate and shortening. Mix everything else then spread into pan. Bake 30 minutes at 350 or until it pulls away from the sides.