1 carrot, peeled and chopped
3 celery sticks, chopped
1 garlic clove, peeled and left whole
1 onion, quartered
2 bay leaves
salt and freshly ground black pepper
2 tbsp olive oil
pinch saffron
2 tsp hot smoked paprika
2 tsp sweet smoked paprika
1 tsp white peppercorns
200g/7oz pork fat or lardo
200g/7oz beef brisket
3 boneless and skinless chicken thighs, cut into large pieces
200g/7oz cooking chorizo, cut into large pieces
200g/7oz pork belly
200g/7oz morcilla sausage, cut into large pieces
1 piece bone marrow (about 100–150g/3½–5½oz), cleaned
2 slices sourdough