Pour some Coca-Cola on the dirty areas.
Leave for a few hours.
Wipe with a sponge.
Oven cleaning gel
Description: Products specifically designed to clean ovens.

Apply gel according to package directions.
Leave on for recommended time.
Wipe with damp cloth.
Scouring Cream
Description: Effective for burnt-on residue and stubborn grease.

Apply the scouring cream to the affected areas.
Leave it on for 20-30 minutes.
Scrub with a sponge, then rinse.
Always be sure to read and follow product instructions and work in a well-ventilated area, especially when using chemicals like ammonia.