Pasta Primavera With Scallops

• 2 brocoli
• 1 carrot (sliced thin)
• 1/2 onion (chopped)
• 180 gr wheat spaghetti (whole)
• 120 ml chicken stock
• 60 gr sea scallops quartered
• 45 gr mushrooms (sliced)
• 5 gr tamari
• 1 gr cayenne pepper