Congo Bars
["2/3 c. melted shortening", "2 1/4 c. light brown sugar (1 lb.)", "3 eggs", "2 2/3 c. sifted flour", "2 1/2 tsp. baking powder", "1/4 tsp. salt", "1/2 c. chopped walnuts", "6 oz. semi-sweet chocolate bits"]
["In a saucepan, melt shortening.", "Stir in brown sugar.", "Mix well.", "Let stand until slightly cool.", "Add eggs, one at a time, beating well after each addition.", "Add flour, baking powder and salt.", "Stir in nuts and chocolate bits.", "Pour into greased and floured 15 x 10 x 1-inch pan.", "Bake at 350\u00b0 for 30 minutes."]
["shortening", "light brown sugar", "eggs", "flour", "baking powder", "salt", "walnuts", "semi-sweet chocolate bits"]