"We will eat fruit and bread for breakfast tomorrow."
Surely 会 is incorrect here? I've always been told that the meaning of 会 is more like "can" or "be able to" rather than "will".
会 is correct here. But you are also correct. It can be used to express that something will happen, and it can be used to express an ability to do something. 要 is in the same boat. It can also be used to express that something will happen, but also can express a desire or need.
I think this sentence is fine as it is.
But am I right in saying that it’s just as fine without 会 in this case? 我们明天早饭吃水果和面包。or does that sound funny?
Duolingo made this tricky with the structure. A trick is start the sentence in your head with the timing first. For example, "Tomorrow's breakfast, we will eat fruit and bread"