Marble Squares
["1/2 c. soft butter", "6 Tbsp. sugar", "6 Tbsp. brown sugar", "1/2 tsp. vanilla", "1/4 tsp. water", "1 egg", "1 c. plus 2 Tbsp. flour", "1/2 tsp. soda", "1/2 tsp. salt", "1/2 c. chopped walnuts", "1 (6 oz.) pkg. chocolate chips"]
["Beat until creamy the butter, sugars, vanilla and water.", "Beat in the egg.", "Sift and then mix in the dry ingredients.", "Add the nuts and spread in a greased 13 x 9 x 2-inch pan.", "Sprinkle with the chips.", "Bake at 375\u00b0 for 1 minute.", "Run knife through dough to marbleize.", "Bake 12 to 14 minutes more."]
["butter", "sugar", "brown sugar", "vanilla", "water", "egg", "flour", "soda", "salt", "walnuts", "chocolate chips"]