Anyone who watches Food Network or follows the world of celebrity chefs knows that the real action in the kitchen often happens close to the cutting board or stove-top. As the culinary stars demo cooking techniques or model fancy knives, their appendages—wedding rings, warts, and all—are on full display.

You might not consciously pay attention to the Guy Fieri’s hands—in fact, you probably try to block out his ridiculous sweatbands and garish jewelry—yet you might be surprised by how his grubby digits find a way into the deepest recesses of your mind (frightening thought, we know).

Here’s your chance to find out, by putting your pop-chef hand knowledge to the test: Click through the 15 close-ups above and see if you can guess which hands belong to which chefs.