If you're talking a food thats good for your digestion and intestinal health, Oatmeal is good. If it had no nutritional/health value, you wouldn't eat it.
Arbitrary Ranking
empanadas: the perfect chicken empanada is best.
croissants: I'm partial to plain, but here, it's gotta be ham & cheese #1.
pupusas: shredded beef, er-mah-gahd... tops.
enchiladas: slow roasted pork, foremost.
chili rellenos: Hatch green chilies stuffed with cheese. Perfect.