Sardinhas Assadas

Charcoal-grilled sardines have been Atlantic-coast street food in Portugal for centuries, but the dish became culturally fixed via the festas dos santos populares — the June feast days of Saint Anthony (Lisbon, celebrated on the eve of 12 June into 13 June) and Saint John (Porto, eve of 23 June into 24 June). Neighborhood streets fill with grills; the June timing is set by the saint's day itself (Saint Anthony's feast, 13 June), coinciding with the early-summer fishery; Atlantic sardines actually spawn in spring and reach peak fat later in summer (July–August).

Locked to the festas dos santos populares—Saint Anthony in Lisbon (13 June), Saint John in Porto (24 June). The season is liturgical because the sardine is at peak fat right before its summer spawn. Salt 30–60 minutes ahead, brush off, no oil on the grill—the fish self-bastes.

Whole sardines, head-on, palm-sized, salted heavily and laid on a charcoal grill until the skin blisters black. Eaten outdoors, often on a slice of bread that catches the dripping oil, with boiled potatoes and pimento salad on the side. Pull the fillet off the spine with a fork, pinch the tail, eat in two bites. Peak season is June; out of season, the fat is wrong and the fish goes mushy.

Salt is the only seasoning, applied 30–60 minutes ahead and brushed off before grilling — it draws moisture and firms the flesh so the skin crisps instead of steaming. High oily-fish fat means no oil on the grill; the fish self-bastes. Cooking time is 2–3 minutes per side, max — the eye turns white and that's the cue. Overcooked sardines fall apart on the spatula.