Bombette pugliesi are Puglia's signature meat preparation from the Itria Valley—small rolls of thinly pounded pork coppa (capocollo) wrapped around a nugget of caciocavallo cheese and a pinch of salt, then grilled over wood or charcoal until the exterior chars and the interior cheese melts into a molten core that explodes with the first bite (hence 'bombette'—little bombs). The dish originates from the butcher shops (macellerie) of Cisternino, Martina Franca, and Locorotondo in the Valle d'Itria, where the tradition of buying and grilling meat at the butcher shop persists—you select your cuts at the counter, the butcher grills them in the fornello (a stone hearth at the back of the shop), and you eat standing at communal tables with local wine. The pork used is specifically coppa/capocollo—the marbled muscle between the neck and the fourth rib—which has the fat distribution necessary for staying juicy during high-heat grilling. The slices are pounded thin (about 3mm), spread with a scraping of the butcher's proprietary seasoning (salt, pepper, sometimes a whisper of garlic or parsley), a cube of aged caciocavallo is placed at the centre, and the meat is rolled into a tight bundle secured with a toothpick. On the grill, the exterior develops a charred crust while the fat renders and the cheese melts. The bombetta should be eaten immediately—bitten into while the cheese is still fluid and stretching. The Valle d'Itria bombetta tradition is intensely local; each macelleria guards its seasoning blend and claims superiority over its neighbours.
Use pork coppa/capocollo, pounded thin. Fill with aged caciocavallo cheese. Roll tightly and secure with toothpick. Grill over wood or charcoal. Eat immediately while cheese is molten. The cheese must stretch and flow when bitten.
Chill the cheese cubes before wrapping—they'll take longer to melt, giving the meat time to cook. The pork should be at room temperature before grilling. A mix of caciocavallo and a small amount of pecorino in the filling adds complexity. Rest 1 minute after grilling but no longer—the cheese solidifies quickly.
Using lean pork (too dry—must be marbled coppa). Using mild or fresh cheese (aged caciocavallo provides the right melt and flavour). Rolling too loosely (cheese leaks out). Under-grilling (no char) or over-grilling (cheese escapes and meat dries).
Touring Club Italiano, Puglia in Cucina; Academia Barilla, Regional Italian Cooking