🇪🇸 Spain · Family: Bocadillo de Pescado y Marisco · Bread: barra · Proteins: cod
The Bocadillo de Bacalao is built on salt cod, and its identity comes from how that cod is handled before it ever reaches the bread. Bacalao is cod preserved in salt, which has to be desalted over a long soak in changed water before use, after which it can be flaked raw, gently poached, confited in oil, or shredded into a salad. The bocadillo takes one of those non-fried preparations and lengths it into bread, so what defines it is the firm, milky, deeply savory character of properly reconstituted salt cod rather than any crust or batter.
The build follows the preparation, and the soak is the part that decides everything. Cod that is still too salty makes a bocadillo nobody can finish; cod soaked until flat makes a dull one. Assuming the fish is right, a length of barra is split and the crumb gets a film of good olive oil, which both seals the bread and supplies the fat this lean fish needs. The cod, flaked or shredded, is laid evenly along the loaf so the salt is distributed rather than pooled in one bite. Many versions add a sweet partner against the saline fish, roasted red pepper being the classic, sometimes a few black olives or a confit of onion. Good execution gives you tender, well-desalted cod with a clean savory depth, balanced by something sweet, on bread that holds. Sloppy execution is either a salt slap from under-soaked fish or a watery, characterless filling from overcorrection, on oil-logged crumb.
Variation runs across the cod preparation and its foil. An oil-confit bacalao makes a silkier, richer sandwich; a raw-flaked esqueixada-style salad makes a brighter, more acidic one; a simple poached flake makes the cleanest. The standing partner is sweet roasted pepper, but onion confit and olive each send it a different way. The battered, deep-fried treatment is a separate sandwich with its own texture and rules, the bocadillo de bacalao rebozado, and it deserves its own article rather than being crowded in here, as does the broader family of Spanish fish bocadillos. What holds this version together is the demand that the cod be desalted exactly right, because nothing in the build can fix it if it is not.
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