10 Things You Should Never Do to Your Oven

Leave a mess for days (or months)

Your daily kitchen cleanup is probably more focused on the dishes than on the oven itself, but a few touchups will go a long way. Not only are months of buildup harder to clean, but they can lead to smoke, says John Cohen, vice president of Molly Maid. Not cleaning spills after each oven use can quickly add up and can smoke during preheating the next time around,” he says. “If you use a drip tray, don’t forget to remove it and dispose of the grease and drippings after each use.” Make sure you know about these other 25 cooking mistakes that ruin your food.