✅ Roast Tray I Use (Amazon – paid link): br br Disclosure: Some links above are affiliate links which means I may earn a small commission if you click and buy, at no extra cost to you.br br Ninja Support: br Ninja Double Oven (DCT451) giving you uneven heating or burnt edges? This guide shows the correct rack levels for each function, how to place the sheet pan and Air Fry basket, when to add a sheet pan under greasy foods, airflow rules, why a roast tray helps, and simple mid‑cook rotation plus when to contact support.