How often should you deep-clean your oven?

Grumpty's answer
Every 4 months
Why bother
Baked-on grease smokes, taints food, and catches fire. A thorough-tier job. Skippable when life's busy, worth it when it isn't.
Why it's a range
Heavy cooks want it quarterly. Light use is fine twice a year.
When to start thinking about it
A few days' warning does it. Grumpty grumbles 4 days out, then leaves you alone. Mark it done and Grumpty sets the next one, every 4 months, so you can go back to forgetting it exists.
Let Grumpty remember it for you
Add it once. Grumpty tracks the date, grumbles when it's due, and rolls it forward the moment you mark it done. No spreadsheets, no sticky notes, no forgetting.
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