Granted. You're now the best cook in the entire world. Every other cook comes to you 24 hours a day and demands lessons from you. But since none of them got their cooking through magic wish giving powers, they get frustrated that you can't teach them anything. After a month of this you're stabbed to death by a stale Italian Bread Loaf.
I wish that someone would make a bacon meatball garlic bread with pizza in the middle sandwhich. So I could eat it.
Granted. You are immune to rat poison for the duration of the eating process. Your immunity ends precisely as the last bite makes its way down your esophagus into your stomach. Unfortunately, the rat poison remains in your system for a good deal longer than that.