Wash the chicken and onion. Bring 1 1/2 litre of water, 1 teaspoon of salt, onion, bay leaf, peppercorns and chicken to the boil and cook for about 1 1/2 hours. Clean or peel, wash and chop the soup greens.
Clean the cauliflower, cut into small florets and wash. Prepare pasta in boiling salted water according to package instructions. Remove the chicken. Pour broth through a sieve, put back into the pot.
Add cauliflower and soup vegetables, bring to the boil and cook for about 15 minutes. Add peas 5 minutes before the end of cooking time. Drain the pasta. Remove chicken meat from skin and bone and cut into small pieces.
Add meat and noodles to the stock. Season to taste with salt and pepper. Wash and chop the parsley and sprinkle over the stew.