Soused mackerel with crème fraîche & capers recipe | Good Food

Ingredients

• 300ml white wine vinegar
• 1 small carrot thinly sliced
• 1 red onion thinly sliced
• 6 allspice berries, slightly crushed
• 8 whole black peppercorns
• 4 cloves
• 1 tbsp sugar
• 4 mackerel fillets
• 2 slices rye bread
• 100g low-fat crème fraîche
• 2 tbsp caper
• 1 small red onion
• small bunch chives snipped