Butterscotch Bars
["4 eggs", "11 oz. butter (2/3 lb. or 1 c. plus 1/6 c.)", "1 lb. 13 oz. brown sugar (4 c.)", "1 lb. flour (3 1/2 c.)", "1 Tbsp. baking powder", "1 Tbsp. vanilla"]
["Cream butter and sugar.", "Add eggs and dry ingredients.", "Mix thoroughly.", "Grease pans.", "Cook at 375\u00b0 in cake pan for 15 to 20 minutes.", "When sinks down, it is done.", "Use 1 (9 x 13-inch) pan and 1 (8 x 8-inch) pan.", "Makes a large recipe.", "Cut while warm."]
["eggs", "butter", "brown sugar", "flour", "baking powder", "vanilla"]