Oven
Burnt-on grease reduces efficiency and can smoke or catch fire. Regular cleaning prevents faults with fans and elements.
1–2 hoursEasy
Remove shelves and trays and soak them in hot soapy water.
Apply the cleaner to the cool oven interior, avoiding the element and fan.
Leave for the time on the instructions (or overnight with a bicarbonate paste).
Wipe off with a damp cloth.
Run the oven empty for 10 minutes to burn off residue.