"When the cut onion touches a hot grate, that moisture rapidly turns to steam. That steam helps soften baked-on grease, caramelized sugars, and stuck proteins from meat. This makes residue easier to dislodge."
"It's less 'deep cleaning chemistry' and more a combination of steam, friction, and mild organic compounds."
"The onion will also help season the grates as its sulfur compounds will react with the metal to form a non-stick coating."
Grills are nostalgic and versatile cooking tools, but cleaning them can be challenging. A simple method involves using a halved onion to clean the grates. The moisture from the onion creates steam that helps loosen grease and residue. Onions contain allicin, which has antimicrobial properties. The process requires a hot grill and a long fork or tongs for safety. Cutting slits in the onion enhances its effectiveness by allowing better contact with the metal.
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