Rich Brownies(With A Wonderful Cream Frosting)  
["1/3 c. shortening", "1 c. sugar", "2eggs", "1 tsp. vanilla", "2 (1 oz.) sq. unsweetened chocolate, melted", "2/3 c. enriched flour", "1/4 tsp. salt", "1/2 tsp. baking powder", "2/3 c. walnuts"]
["Thoroughly cream shortening and sugar.", "Add eggs and vanilla. Beat well.", "Add cooled melted chocolate and blend.", "Add sifted dry ingredients.", "Stir in walnuts.", "Bake in greased 8-inch square pan in moderate oven at 350\u00b0 for 35 minutes.", "Frost with Creamy Chocolate Frosting."]
["shortening", "sugar", "vanilla", "unsweetened chocolate", "flour", "salt", "baking powder", "walnuts"]