Spread a thick layer of ketchup over the surface and allow it to sit for at least 30 minutes, or overnight for tougher buildup. After soaking, gently scrub with a sponge or scouring pad.
Once completed, rinse the pan in warm, soapy water, then dry it thoroughly with a clean kitchen towel or paper towels.
However, homeowners are warned not to use this method on aluminium pans, as the acidity in ketchup can damage the metal, reported Southern Living.
