Learn the correct way to chop an onion without crying in this quick tutorial. Start by cutting the onion in half. Remove the outer skin leaving the root on the onion. Leaving it one will help to keep the onion together an will keep you from crying. The next step, which might seem a little silly, is to put a spoon in your mouth. This is one method that will keep your eyes from tearing up while you chop the onion. Next, you'll learn how to properly sharpen a knife. Next, you'll learn how to chop, moving the onion, not your knife. You'll end up with nice onion pieces ready for any recipe.