Brazilian Churrasco Steak Sandwich

This is undoubtedly unheard of in Brazil, but the flank steak from the Churrasco is irresistible at room temperature, so why not put it between two slices of bread? The tangy salsa mayonnaise is the perfect liaison between the meat and the creamy avocado. Romaine is a nice neutral lettuce, and the choice of bread is yours–focaccia, pita, rye, or corn bread are all compatible.