I’ve always thought of my oven as the reliable workhorse of my kitchen: ready to bake, roast, or reheat whatever I throw at it.
But I learned the hard way (don’t ask about the melted spatula incident) that not everything belongs inside. In fact, some things can ruin your appliance, your food, and possibly your day.
Read more: How to clean your oven with natural ingredients
Here’s a list of surprising items that should never go in your oven, no matter how tempting or convenient it seems.
Plastic – in any form
Whether it’s a pan with a plastic handle or a takeaway container, plastic and ovens don’t mix. It can melt, warp, and release harmful fumes. Unless your cookware is specifically marked as oven-safe, keep it far from the heat.
Glass that isn’t heat-resistant
Regular glass bowls or dishes may look sturdy, but without a “heat-resistant” label (think Pyrex or tempered glass), they can shatter under high temperatures. It’s not just a messy clean-up—it’s dangerous too.
Anything with batteries
From digital meat thermometers to kitchen timers, battery-powered gadgets have no business in the oven. Batteries can overheat and even explode, causing serious damage. Always remove them before placing anything inside.
Foam containers and takeout boxes
That box of leftovers might seem like it could go straight in, but foam begins to soften at low temperatures and can release chemicals into your food. Transfer the takeout to an oven-safe dish before reheating.
Wax paper
It might look like parchment paper’s twin, but wax paper melts in heat. Instead of lining your tray with it, use parchment paper or silicone baking mats, which are designed to handle the oven’s heat.
Pizza boxes
Reheating pizza in its delivery box may seem like a shortcut, but cardboard can scorch or catch fire. Use a baking tray, pizza stone, or skillet to crisp it up safely.
Food without cookware
An oven isn’t a grill, so placing food directly on the rack can cause spills, burnt residue, and even damage the heating elements. Always use a tray, dish, or stone to protect both your meal and your oven.
Clothing
Yes, “Sex and the City” made it look quirky, but the oven is not a wardrobe. Clothing is highly flammable and can ruin your appliance – not to mention create a fire hazard.
Cans
Heating food in a can may feel like a time-saver, but cans can release harmful chemicals into your meal. Always empty contents into an oven-safe dish before reheating.
The takeaway: Your oven is powerful, but it’s not indestructible. Treat it with care, and it’ll keep serving you crispy roasts, fluffy cakes, and perfectly baked breads – without any unexpected meltdowns.
ALSO SEE: 6 ITEMS TO NEVER PLACE IN YOUR MICROWAVE
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