1. Add powdered milk for an extra-chewy cookie.

2. Use cold butter to help your cookies bake evenly throughout.

3. For a firmer cookie, let the dough chill for 24 – 36 hours.

4. If you like ‘em thin and crispy, use more white sugar than brown.

5. Use more brown sugar than white to get a rich, caramel-y flavor.

6. Chop your own chocolate chunks to make your cookies more rich and dynamic.

7. Sprinkle cookies with salt to create a more complex flavor.