For me it would be the things I can't have much of that I crave just to scratch that itch. I don't believe in a diet that restricts or eliminates things completely because I think that sets people up to fail in the long run. Eventually once you reach your goal if you're going to ever eat those things again you need to learn portions and self control.
I'd go for things that are indulgent, really good mac and cheese, pasta in general. A favorite dessert: key lime pie, creme brulee, pineapple upside down cake. Or even a nice breakfast with thick hearty French toast and real maple syrup, bacon, fried potatoes.
Apparently I'm hungry. 😀