First, one doesn't work on a meal. One works on a paper or a construction project or a particularly aggressive poop. One doesn't work on a meal.
But second, just stay a few feet away and watch to see if I'm still "working on it." If I don't go back to it, then just take the damn thing. I'll either stop you or not -- we don't need to have a meeting about it.
Although, if we did have a meeting about it, I could type up the meeting notes and then send them to you and ask for your feedback, and if you took longer than 30 seconds I could amble up to you and ask you if you were "still working on that." Because I'm just that type of jackass.