Congo Bars
["2 3/4 c. sifted flour", "2 1/2 tsp. baking powder", "1/2 tsp. salt", "2/3 c. shortening", "2 1/4 c. light brown sugar", "3 eggs", "1 tsp. vanilla", "1 c. chopped nuts", "1 (12 oz.) pkg. chocolate chips"]
["Mix and sift flour, baking powder and salt.", "Melt shortening, add brown sugar and stir until well mixed.", "Allow to cool slightly.", "Add eggs, one at a time, beating well after each addition.", "Add dry ingredients, nuts, chocolate and vanilla.", "Pour into greased 10 x 15-inch or 9 x 13-inch pan.", "Bake at 350\u00b0 for 30 minutes."]
["flour", "baking powder", "salt", "shortening", "light brown sugar", "eggs", "vanilla", "nuts", "chocolate chips"]