Grilled Mackerel Recipe with Chargrilled Potatoes

Ingredients

• 4 whole mackerel, butterflied
• 4 peppers, a sweeter variety such as Romano, or nice ripe bell peppers
• 2 banana shallots
• 1 garlic clove
• 1/2 tsp cumin seeds
• 1 red chilli, chopped
• 50g of black olives, pitted
• 8 anchovies, brined and oiled – not salted
• 100ml of cold-pressed rapeseed oil, plus extra to sweat the shallots and garlic
• 1 handful of flat-leaf parsley
• 1 dash of olive oil
• salt
• black pepper
• 500g of salad potatoes
• 1 lemon