APPLE A DAY: Chewy Chocolate Chip Cookies Ingredients: 3/4 c. unsalted butter, softened 3/4 c. brown sugar 1/4 c. granulated sugar 1 egg 2 tsp. vanilla extract 2 c. all purpose flour 2 tsp. cornstarch 1 tsp. baking soda 1/2 tsp. salt 1 c. bittersweet chocolate chips. Corn starch makes the dough stiff, but makes the cookies softer.