Pot roast pork

INGREDIENTS

• olive oil
• 2 medium red onions, peeled and sliced
• 2 cloves garlic, peeled and sliced
• 1.5 kg higher-welfare loin of pork, boned, skinned, rolled and tied
• sea salt
• freshly ground black pepper
• 1 small bunch fresh thyme, leaves picked
• 2 knobs butter
• 6 figs, quartered
• 2 wineglasses Marsala
• 275 ml organic chicken stock
• 3 heaped tablespoons crème fraîche, optional