Fish Sandwich – Mr. Barbecuer

Ingredients

• 4 hamburger buns
• 40g of butter
• 4 cod fillets (about 150 g each)
• 100 g of fresh baby spinach
• olive oil
• pepper
• salt
• 1 egg
• 200 ml of olive or sunflower oil
• 1 teaspoon of mustard
• ½ a tender onion
• 4 sprigs of parsley
• 5 pickled gherkins
• 1 spoonful of pickled capers
• 2 fillets of anchovy in oil (optional)
• salt and pepper
• ¼ cabbage
• 2 carrots
• 50g of yoghurt
• 40ml of lemon juice
• 1 teaspoon of honey and a pinch of salt