Fillet of hake with Vietnamese dressing

Ingredients

• 2 fillets of hake
• Sea salt, black pepper, olive oil and a knob of butter
• 2 tablespoons olive oil
• 1 lime, cut in half
• 2 shallots, sliced
• 1 red chilli, chopped
• 2 cloves garlic, chopped
• 1 tablespoon soy sauce
• 1 lemongrass stick, finely chopped
• 1 tablespoon fish sauce
• 1 tablespoon brown sugar
• 2 scallions, trimmed & chopped
• 1 tablespoon tamarind paste
• 1 tablespoon coriander, chopped