✅ Long Oven Mitts I Use (Amazon – paid link): https://amzn.to/4peIwzU

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Ninja Double Oven (DCT451) timer confusing you? This guide explains why the timer doesn’t start until preheat ends, how top and bottom ovens count independently, the 10-minute standby auto-shutoff, and the “END” cycle shutdown — plus tips for safe mid-cook checks.