What is the easiest way to clean stubborn food residue from the oven cavity?
Place half a lemon in a bowl, add 300ml (half a pint) of water, and heat on 100% microwave power for 10 minutes. After heating, wipe the oven clean using a soft, dry cloth. This tip makes cleaning the cavity walls much easier. (Page 8)
From the official Kenmore Microwave manual, page 8
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