"Xanadu" <.> wrote in message ...
> How much pre-heating should one do?
>
> I like to make oat cakes, should the oven be at the correct temperature,
or
> is just a 10 min wait enough.
>
> Also
>
> What temperature is best to cook at for a quite thick oat cake, about
1.5",
> some recipes say 280 degrees, and some 320 degrees.

Pre-heating for baking assumes that you bring the oven to the proper baking
temperature regardless of how long it takes. I always follow the time and
temperature recommendations in the recipe and then adjust them as necessary.