that’s a very common issue with air fryers, including the Ninja Dual Air Fryer. The “grease or something sticking” usually comes from oil, food residue, or sprayed nonstick coatings reacting to high heat. Here’s how to fix it and prevent it in the future:
1. Cleaning Stuck-on Grease
Materials Needed
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Warm water
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Dish soap (mild)
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Soft sponge or non-abrasive brush
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Baking soda (optional, for stubborn spots)
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Wooden or silicone scraper (optional)
Steps
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Unplug the air fryer and let it cool completely.
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Remove the tray and basket. Most Ninja Dual trays are dishwasher-safe, but hand washing is gentler.
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Soak in warm soapy water for 10–15 minutes to loosen grease.
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Gently scrub edges and underside using a soft sponge or brush.
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Avoid metal brushes or abrasive pads—they can damage the nonstick coating.
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For stubborn grease, make a paste of baking soda + water, apply it to the sticky areas, let sit 10 minutes, then scrub gently.
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Rinse and dry thoroughly before using again.
2. Preventing Sticking in the Future
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Use just a light coating of oil: Many people spray too much oil, which pools at edges and bottom. Use a brush or paper towel to lightly coat food.
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Avoid aerosol sprays directly on nonstick trays: Some sprays leave a residue that gets sticky over time.
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Line the tray with parchment paper or perforated silicone mats: Make sure it’s rated for air fryers and doesn’t block airflow.
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Clean after every use: Even a quick rinse prevents buildup.
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Avoid sugary marinades or glazes at the bottom: They can caramelize and stick to the tray