Halibut and Potted Shrimp Stew

Ingredients

• 2 fillets of halibut, skins left on
• 180g potted shrimp
• 1 bulb fennel, thinly sliced (reserve fronds for garnish)
• 2 cloves garlic, finely chopped
• 3 shallots, thinly sliced
• 1 tsp chilli flakes
• 1 tin tomatoes
• 100g nocerella olives
• 100g samphire
• 300ml fish or vegetable stock
• 1 lemon, sliced for garnish
• Handful of fresh parsley, roughly chopped