Brownies
["4 oz. unsweetened chocolate", "2/3 c. shortening", "2 c. sugar", "4 eggs", "1 tsp. vanilla", "1 1/4 c. all-purpose flour", "1 tsp. baking powder", "1 tsp. salt", "1 c. chopped nuts"]
["Heat oven to 350\u00b0.", "Grease pan, 13 x 9 x 2-inches."]
["unsweetened chocolate", "shortening", "sugar", "eggs", "vanilla", "flour", "baking powder", "salt", "nuts"]