White beans with clams and albarino

Ingredients

• 200 gm dried cannellini beans, soaked in cold water overnight, drained
• 1 carrot
• 1 onion, halved
• 1 head of garlic, halved, plus 2 garlic cloves, finely chopped
• 2 cloves
• 1 thyme sprig
• 6 parsley stalks
• 1 tbsp olive oil
• 200 gm clams, soaked in salted water, drained
• 1 fresh bay leaf
• 250 ml dry white wine, such as albariño
• 2 tbsp flat-leaf parsley, finely chopped, plus extra, to serve
• Fish stock
• 1 kg fish bones, coarsely chopped
• 50 ml olive oil
• 100 gm fresh pancetta, diced
• 2 carrots, diced
• 1 onion, diced
• 1 celery stalk, diced
• 4 ripe tomatoes, diced
• 2 fresh bay leaves
• 1 tsp white peppercorns
• 1 pinch of Spanish saffron threads, toasted