I like to bake at 325 for more level cakes, but I'm never really sure how much longer it needs to bake. For example, about how much longer for a 10" x 2" round?

I know it may vary depending on the oven, cake size, etc., but does anyone have a "rule of thumb" as to how much longer it will take to bake a cake at 325 vs. 350? For example, do you assume it will need to bake 10% longer, 20% longer?

I don't really have a rule of thumb, but I did bake a 10 by 2 yesterday, and it was in there for 60 min. at 325. I have never baked at 350 so I don't have anything to compare it to.

If you HAVE to use a timer (I stopped using timers years ago ..... irritates my kids when I tell them "you bake it until it's done"), then set the time for 30 minutes, then check it. Set it for anothe 10 or 15 minutes then check it.

After awhile, you'll have an idea of how long it takes your oven to bake.

Thanks everyone. I have a cake recipe that always seems to fall in the middle if I open the oven before it's done, so I'm having trouble figuring out when to start checking it.