Polvo à Lagareiro is a popular Portuguese dish made with octopus. The octopus is first boiled until tender, then roasted in the oven with olive oil, garlic, and salt. The result is a tender and flavorful octopus with crispy edges. Polvo à Lagareiro is often served with boiled potatoes and a drizzle of olive oil. This dish showcases the simplicity and deliciousness of Portuguese cuisine.