Trout sauces - three of the best to try serving with this delicious fish

Ingredients

• 1 tbsp butter
• 1 tbsp olive oil
• 2 banana shallots, peeled and finely sliced
• 2 garlic cloves, peeled and finely minced
• 4 anchovy fillets, finely chopped
• 2 tbsp capers, roughly chopped
• 2 medium tomatoes, roughly chopped
• 1 tsp red wine or sherry vinegar
• 1 dsp finely chopped oregano
• 4 tbsp water