A serving, 1 cookie, is all that is needed to provide big chocolate flavor.
If baking these cookies in high-altitude areas, increase the baking time to 9 to 11 min. or until edges are golden brown.
Prepare dough as directed; press onto bottom of 13x9-inch pan sprayed with cooking spray. Bake in 375°F oven 20 to 25 min. or until edges are golden brown. Cool before cutting into bars. Makes 24 servings.