Wash the chicken breast. Clean or peel, wash and chop the greens. Peel and roughly dice the onion. Put meat, soup vegetables, onion and approx. 2 l water into the pot. Add approx. 1 tsp. salt, bay leaf and juniper, bring to the boil, cover and simmer for approx. 1 hour.
Skim off the foam produced. Then lift out the meat and let it cool down. Sieve the stock.
Cook the pasta in boiling salted water according to the instructions on the packet. Peel, wash and slice the carrots. Clean, wash and slice green beans. Cut tomatoes into strips. Cook the vegetables in the broth for about 10 minutes.
Drain the pasta.
Rinse white beans. Wash and chop the parsley. Remove chicken breast from skin and bone. Chop meat finely. Heat noodles, meat and white beans in the soup. Season everything with salt, cayenne pepper and lemon juice.
Sprinkle soup with parsley.