If you prefer your cookies soft and round, rather than spread out into one giant layer, just bake the cookies in a muffin pan.
This is just one of a huge collection of food hacks over at MyFridgeFood, and the photo above kind of says it all. If you have a mini muffin pan, you can also easily make mini cookies.
If you prefer cookies with a crunch, you could also turn over a muffin pan and make cookie bowls instead.
Bake Soft, Perfectly Sized Cookies in a Muffin Pan