I've read a post on this topic, but really not sure of the difference when applied to something like this:
私は朝飯のみに茶を飲む
私は朝飯のみで茶を飲む
From what I read, I'm guessing one of them is incorrect, as に is used for specific times and で for ranges of time in which an action happened. So I'm guessing に is the incorrect one. Could someone confirm me this please?