Fire alarm keeps going off when roasting in oven. Advice please? [duplicate]

The problem started recently. I cook a lot and especially love baking cakes and roasting all sorts of vegetables in the oven. Recently when roasting, I noticed smoke coming out of the oven and the fire alarm went off.

It was because a lot of grime and food drippings had accumulated (for over a year) at the bottom, and it was getting charred. The next day I cleaned up the whole oven (applying baking soda paste overnight then scrubbing with vinegar and steel wool). Except for the top of the oven which I simply can't get perfectly because that would require me to bend over backwards and clean, the rest is all squeaky clean.

However now when I try roasting above 350 F, it still causes the fire alwarm to go off. There's nothing else in the oven that's getting burnt, even the veggies I placed in the oven weren't done completely. I am really puzzled. Any suggestions?

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Why does my smoke alarm go off when I use my oven?

Your smoke detector may go off when you're cooking because vapor, smoke, or steam is entering the device. Both ionization and photoelectric smoke alarms are so sensitive to foreign objects that even a cloud of dust could trigger the alarm.

How do you cook meat without setting off a fire alarm?

Choose an oil with a higher smoke point than olive oil; go for canola, safflower, avocado or peanut oil. (See: 7 Common Cooking Oils and When to Use Them) Then, lightly coat your fish, meat, tofu or vegetables you plan to sear with oil instead of coating the pan.

How do I reduce the sensitivity of my fire alarm?

Lessen the sensitivity of the smoke detector by removing it from an area of air high velocity that can trigger an alarm. Areas of high air velocity include, for example, outside a bathroom door where steam vapor can exit during a shower, or an overly close proximity to the cooking smoke coming from an oven.

BAD AIR FLOW. Smoke alarms go off every time oven or cook top is used. POOR INSTALLATION

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