Soup greens clean or peel, wash and roughly cut. Onions peel and quarter. Wash and halve the tomatoes. Wash chicken breast and rosemary. Peel the garlic and press lightly with a knife blade. Put everything with bay leaf, peppercorns and 1 teaspoon salt in a large pot. Add 2 l water, bring to the boil and simmer for about 40 minutes.
Cook the pasta in 2-3 l boiling salted water (1 teaspoon per litre) according to the instructions on the packet. Drain, quench and allow to drain. Peel, wash and thinly slice the carrots. Clean and wash spring onions and cut into fine rings. Wash parsley, shake dry, pluck leaves and chop finely.
Take the chicken breast out of the broth. Pour broth through a fine sieve into a pot and bring to the boil again. Cook the carrots for about 6 minutes. Add spring onions and frozen peas after about 4 minutes and bring to the boil.
In the meantime, remove the chicken meat from the skin and bones and tear it to pieces. Heat meat and noodles in the soup. Season to taste with salt and pepper. Sprinkle with parsley.