Risotto with Green Peas and prawns

Ingredients

• 8 large shrimps
• 1 l prawn vegetable stock (recipe below)
• 150 g Lurpak® Salted Cultured Butter
• 1 medium onion, chopped
• 300 g arborio rice
• 75 ml dry white wine
• 180 g parmesan cheese
• 2 handfuls of fresh peas
• empty unit salt and black pepper
• empty unit bunch of fresh basil, roughly chopped
• empty unit shrimps shells
• 1½ l water
• 1 head of fennel
• 1 small onion, chopped
• sprigs of thyme
• 2 bay leaves
• ½ carrots, chopped
• 6 peppercorns
• pinches of salt