Butter, lemon juice enrich Spanish steak sandwiches

AP
Bocadillos with flank steak and mushrooms are simple sandwiches made on baguette-like bread.
AP Bocadillos with flank steak and mushrooms are simple sandwiches made on baguette-like bread.

With their midafternoon meal traditionally being the biggest of the day, Spaniards are not known for eating lunch on the go. But the bocadillos served at bars, cafeterias and bakeries around country are the exception to the rule.