Marble Squares
["1/2 c. butter, softened", "1/4 c. plus 2 Tbsp. sugar", "1/4 c. plus 2 Tbsp. brown sugar", "1/2 tsp. vanilla", "1 egg", "1 c. flour, unsifted", "1 tsp. soda", "1/4 tsp. salt", "1/2 c. walnuts, chopped", "1 c. chocolate chips"]
["Cream the butter, sugars and vanilla.", "Beat in egg.", "Blend in flour, soda and salt.", "Add walnuts.", "Spread in a greased 9 x 13-inch pan. Sprinkle chips over top. Bake at 350\u00b0 for 2 minutes and then remove from the oven.", "Run a knife through dough to marbleize.", "Return to the oven and bake an additional 12 to 14 minutes or until sides begin to loosen from the pan."]
["butter", "sugar", "brown sugar", "vanilla", "egg", "flour", "soda", "salt", "walnuts", "chocolate chips"]