If a fire starts on your stove, slide a metal lid over the pan and turn off the burner. Those two actions, in that order, will stop most stovetop fires within seconds. Do not move the pan, and do not lift the lid. Leave it covered until the pan has cooled completely, which can take 30 minutes or longer. If the fire doesn’t go out immediately or you’re not comfortable getting close enough to cover it, get everyone out of the house and call 911 from outside.
Why a Lid Works
Fire needs oxygen, fuel, and heat. A lid removes the oxygen. Turning off the burner removes the heat source. Together, they collapse two of the three conditions keeping the fire alive. The key detail most people miss is that you must leave the lid on until the pan is fully cool. Hot oil can reignite the moment air reaches it again, especially on electric cooktops, where the coil stays hot well after you turn it off. Electric stoves are actually involved in a disproportionate share of cooking fires: roughly 79% of reported cooktop fires involve electric burners, even though only about 60% of households use them. The residual heat from electric coils can push oil past its autoignition point even after the burner is switched off.
Never Use Water
Throwing water on a grease fire is the single most dangerous mistake you can make. When water hits oil that’s above 212°F, it instantly converts to steam. That phase change expands the water’s volume by roughly 1,700 times. The expanding steam launches burning oil droplets into the air, creating a fireball that can reach the ceiling and spread fire to cabinets, walls, and clothing. This happens in under a second. There is no “small amount” of water that’s safe on burning grease.
Baking Soda, Salt, and What to Avoid
If you don’t have a lid handy, baking soda and salt can work on very small grease fires, but both require large quantities to be effective. Baking soda releases carbon dioxide when heated, which displaces oxygen above the flame. Salt creates a physical barrier between the fire and the air. For anything bigger than a small flare-up, neither is a reliable substitute for a lid.
Do not reach for flour, baking powder, or boxed baking mixes. Flour and baking powder are combustible and can explode when they hit extreme heat. The packaging looks similar to baking soda, so this is worth remembering before an emergency, not during one.
Using a Fire Extinguisher
A standard household fire extinguisher (rated ABC) will work on a stovetop fire, but a Class K extinguisher is specifically designed for cooking oil fires. Class K extinguishers spray a wet chemical agent that forms a foam blanket over the oil, preventing reignition while also cooling the oil below the temperature where it can spontaneously catch fire again. If you keep an extinguisher in your kitchen, mount it at least a few feet from the stove so you can still reach it when the area around the burner is on fire.
Aim at the base of the flames, not the top. Sweep side to side. Even after the fire appears out, don’t walk away. Watch for reignition for several minutes.
Oven and Microwave Fires
Fires inside an oven or microwave call for a different approach: keep the door closed. An enclosed oven starves the fire of fresh oxygen on its own. Turn off the appliance (or unplug it if you can safely reach the cord) and let the fire burn out behind the closed door. Opening the door feeds the fire a rush of air and can cause it to flare outward toward you. If the fire doesn’t die down within a minute or two, evacuate and call 911.
What to Do After the Fire Is Out
Once everything has cooled, assess the damage before using the stove again. Check for melted knobs, warped burner grates, cracked glass on smooth-top ranges, and discolored or bubbled wiring visible behind or beneath the unit. On a gas stove, look for any signs that the flame ports or gas lines were affected. If you see scorching beyond the pan itself, or if the fire was large enough to trigger a smoke detector, have the appliance inspected by a qualified technician before cooking on it again. Unacceptable carbon monoxide levels or damaged gas connections are not things you can assess visually.
Clean the surrounding area thoroughly. Grease splatters from a fire can coat the underside of cabinets, the range hood, and nearby walls with a thin, flammable residue. A degreasing cleaner and warm water will handle most of it. Replace any range hood filters that absorbed smoke or grease during the fire.
Preventing Stovetop Fires
Most stovetop fires start because oil was heated past its smoke point while unattended. Stay in the kitchen whenever something is cooking on a burner, especially when frying. If you see oil starting to smoke, turn the heat down immediately. Smoking oil is minutes or less from catching fire.
Keep a metal lid that fits your largest pan within arm’s reach every time you cook. That single habit turns a potential emergency into a ten-second fix. Keep towels, paper towels, oven mitts, and wooden utensils away from the burner area. Loose sleeves are another common ignition source, particularly on gas stoves where the flame extends beyond the edge of the grate.