How to Clean the Cast-Iron Grates on a Gas Range


Stuck-on food, grease and oil spills on a gas stove’s cast-iron grates create nasty fumes and smells. These strong, heavy grates benefit from a once-a-month, if not more, cleaning to keep your kitchen odor free while you cook. The methods used to clean them depend on how dirty they are.

How to Clean the Cast-Iron Grates on a Gas Range
(Kelly Lawrence/Demand Media)

Gather the supplies needed to clean your cast-iron grates and burn caps thoroughly. You’ll need a dish soap designed to cut grease, a nylon scrubber -- for enameled cast-iron -- dishtowel, hot water and non-abrasive or powder cleanser. It helps to have a large sink or tub in which to put the grates, because you may need to soak them to remove cooked-on food stains. Put on a pair of dishwashing gloves to protect your hands from the hot water.

Kelly Lawrence/Demand Media

Wait until the grates are cool to wash them; they’re safer to handle, and they won't crack with exposure to water colder than they are. Once the grate cools, set it inside a sink or a tub and fill it with hot water. Allow the grate to soak in the hot water up to 30 minutes, long enough to loosen stuck-on food debris and cut through the grease. If you don’t have hot enough water from your water heat, boil water in a teakettle or in a pot; once it's hot, pour it over the grate set in the sink.

Kelly Lawrence/Demand Media

Add a squirt or two of grease-cutting dishwashing detergent to a sink filled with clean hot water. Set the grates inside the sink and allow them to soak for up to 15 minutes. Apply a non-abrasive cleaner to a wet nylon scour pad. Burnish the grates with the scrub pad and cleanser on hard-to-remove food spills. Repeat as necessary to clean the grates; set them back in the sink to soak for about 5 minutes or allow the wet cleanser to sit on tough spills outside of the sink to soften them.

Kelly Lawrence/Demand Media

Drain the sink and rinse the grates in cool water. Verify all the soap and cleanser are removed during the rinsing process. Once the soap and cleanser are gone, dry them thoroughly with a soft clean cloth to prevent rust. Once you have removed all baked-on food, and the grates are relatively clean, keep them that way using the pots and pans setting on your dishwasher, placing the grates inside the dishwasher. Remove the stove knobs and burner caps and add them to the top of the dishwasher with a load of pots and pans. Apply a dab of cooking oil to the bottom of the grate to prevent rust from forming. To remove stains on cast-iron grates, burners or caps, add them to a large sealable bag or container with a cover and 1/4 cup of ammonia to sit from three hours to overnight.

Kelly Lawrence/Demand Media


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