making scalloped potatoes, need to be in oven for 3 hours,what temperature should I have them on

I need to put scalloped potatoes in the oven for 3 hours, what tempterature should I have them on?
Best Answer
I found a recipe for slow baked potatoes that has the potatoes in the oven for 3 hours set at 350F. According to the author:
"The accepted practice is to bake potatoes for an hour. But here's how long to bake a baked potato if you want it to be nutty and soft: three hours, yes, that's no typo, it really is 'three' hours. The skin and flesh are both completely delicious when slow-baked for a long time."
Recipe here.
However, I am unsure whether this theory holds true for scalloped potatoes. Most scalloped potatoes recipes I came across had the potatoes being baked in the oven for ~1 hr at ~350F.
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How long will it take to cook scalloped potatoes at 275?
How long does it take to cook scalloped potatoes at 275 degrees? At 275F, it will take 3 hours to cook scalloped potatoes.How long does it take to bake a potato at 425 degrees Fahrenheit?
How to bake a potato in the ovenHow long would it take to bake a potato at 275 degrees?
Rub the skin with olive oil, then with salt. Place the potato in the preheated oven, and bake until slightly soft and golden brown, about 90 minutes. Slice the potato down the center, and serve with butter and black pepper.How long does it take to bake a potato at 350 degrees Fahrenheit?
How to Bake Potatoes at 350 FCREAMY SCALLOPED POTATOES - How to make SCALLOPED or AU GRATIN POTATOES Recipe
More answers regarding making scalloped potatoes, need to be in oven for 3 hours,what temperature should I have them on
Answer 2
Baking mine at 265F for 2.5 hrs. Same as my spiral cut Ham. Turned out beautiful. No char, no burning. Milk proteins stayed intact and became the creamy addition they were meant to be. I used half and half.
Answer 3
350° for amt. time, check slice. Also use greased, Pam fine, whatever vessel using!!!
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