Congo Bars
["1 box dark brown sugar", "2/3 c. melted shortening", "3 eggs", "2 3/4 c. flour (do not sift)", "1/2 Tbsp. salt", "2 1/2 Tbsp. baking powder", "1 Tbsp. vanilla", "1 pkg. chocolate chips"]
["Mix all ingredients together.", "Pour batter into jelly roll pan.", "Bake at 350\u00b0 for 25 to 30 minutes.", "Cut while still warm."]
["brown sugar", "shortening", "eggs", "flour", "salt", "baking powder", "vanilla", "chocolate chips"]