Mild yellow mustard, relish, chopped onions, tomato wedges, a pickle spear, sport peppers, a dash of celery salt and a jumbo-sized charred dog — all nestled inside a fresh poppy seed bun. At Evanston’s...

When Evanston restaurant and food truck La Cocinita made its Taste of Chicago debut in 2016, co-owner Rachel Angulo said the pork patacon was an immediate hit. The crispy green plantain sandwich, topped...