How to Clean and Maintain Your OTG Oven for Long-Lasting Performance

An OTG is one of those appliances that quietly becomes part of your everyday routine - whether it’s baking weekend cookies, grilling vegetables, or making quick toast in the morning. But like any appliance you use regularly, a little care goes a long way. Proper cleaning and maintenance not only keep your OTG hygienic but also help it perform better and last longer.
Modern OTGs, including the Marvel range from AGARO, are designed to be durable and easy to maintain. With a few simple habits, you can keep your oven working smoothly for years.
1. Always Let the OTG Cool Before Cleaning
This is the most important rule. After cooking, allow the OTG to cool completely before touching the interior or accessories. Cleaning while the oven is still hot can be unsafe and may also damage internal components.
Once it cools down, unplug the unit before you begin cleaning.
2. Clean the Crumb Tray Regularly
Most OTGs come with a removable crumb tray at the bottom. This tray collects food crumbs, oil drips, and small particles during cooking.
Make it a habit to:
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Remove the crumb tray after every few uses
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Empty loose crumbs
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Wash it with mild soap and water
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Dry it completely before placing it back
This prevents smoke, odour, and buildup inside the oven.
3. Wash the Wire Rack and Baking Tray After Use
Accessories like the wire rack, bake tray, and skewers come in direct contact with food, so they should be cleaned regularly.
Use:
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Warm water
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Mild dish soap
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A soft sponge
Avoid using metal scrubbers, as they can damage the coating and reduce the life of the accessories.
4. Wipe the Interior Gently
Over time, oil splashes and food particles may stick to the interior walls.
Use a:
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Soft dry/damp cloth
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Do not use any hard metal to rub off the residues
Avoid pouring water directly inside the OTG. Always wipe gently and never scrub heating rods. If you clean it regularly, buildup never becomes difficult to remove.
After cleaning the interior, turn on the OTG for about 2–3 minutes to let any remaining moisture dry out. This helps prevent rust and keeps the internal components in good condition.
5. Keep the Glass Door Clean
The glass door allows you to monitor cooking without opening the oven, but it can collect grease or stains.
Wipe it with:
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A soft cloth
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Mild glass cleaner or soap solution
This keeps visibility clear and also makes your OTG look well maintained.
6. Be Careful Around Heating Rods
Heating rods are delicate and should not be scrubbed or touched directly.
If needed:
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Use a dry cloth to gently remove loose particles
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Never use water or cleaning chemicals on heating elements
Proper care ensures consistent heating performance.
7. Avoid Harsh Chemicals
Strong cleaners, abrasive powders, and metal scrubbers can damage the OTG’s interior and accessories.
Always use:
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Mild dish soap
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Soft cloth or sponge
Gentle cleaning protects the surfaces and extends the life of your appliance.
8. Make It a Monthly Deep Cleaning Habit
Even with regular cleaning, it’s helpful to do a deeper clean once a month.
This includes:
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Cleaning all accessories
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Wiping interior walls
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Checking for grease buildup
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Cleaning the outer body
This keeps your OTG fresh, efficient, and ready for regular use.
Final Thoughts
Maintaining an OTG doesn’t require much effort, it’s really about consistency. Cleaning crumbs, wiping surfaces, and handling accessories with care can make a big difference over time.
Well-built OTGs like the AGARO Marvel 9L, 25L, and 48L are designed for long-term use, and with proper maintenance, they continue delivering reliable performance for baking, grilling, and roasting.
A clean OTG not only lasts longer but also ensures better cooking results. And when your oven is well maintained, every recipe from simple toast to elaborate bakes turns out just the way you expect.
