Butternut Squash And Prawn Soup

• 18 prawns
• 6 parsley sprigs (fresh)
• 6 prawn stock
• 4 thyme sprigs (fresh)
• 2 inc
• 1 sprig rosemary (fresh)
• 1 salt and pepper
• 950 ml dry wine (white)
• 850 gr butternut squash
• 700 ml water