Grilled mackerel with pickled gooseberry ketchup - Good Food Middle East

Ingredients

• 2 fresh mackerel, filleted and pin boned, each fillet cut across the grain into three pieces
• 1 tsp sea salt
• 2 tbsp dill, leaves picked, to serve
• 150ml white wine vinegar
• 2 tbsp golden caster sugar
• 4 juniper berries
• 1 tsp black mustard seeds
• 3 black peppercorns
• 1 bay leaf
• 150g gooseberries, washed
• ½ cucumber, cut into ribbons
• 1 tbsp olive oil
• pinch fennel seeds
• 1 onion, finely sliced
• 1 green apple, peeled, cored and cubed
• 1 garlic clove, crushed
• 1 green chilli, deseeded and chopped
• 1 tsp brown sugar
• 100g thick, live natural yogurt