Stale bread (the harder, the better), about 2 rustic loaves • whole garlic cloves, unpeeled • medium green bell peppers • pork belly, each about 1/2 inch (1 cm) thick • Optional: 5 chorizo sausages, to taste • Optional: 4 blood sausages (morcilla), to taste • You can also serve on the side, according to personal preference: • Radishes, olives, flaked salt cod, herring, grapes, melon