To make rings, cut off the stem end, then make a very thin cut into the tip of the onion to give yourself access to the skin to peel it back. Remove the skin, but keep the rest of the onion intact.

To preserve your fingers, curl your hands and press your knuckles against the knife as you cut the onion. Your knuckles will ...

The “radial” or “Lyonnaise” cut recommends angling your knife toward the center of the onion. J. Kenji López-Alt Angling your knife at an imaginary point about six-tenths of an onion’s ...