Peel ginger and garlic and cut into thin slices. Peel the onions. Clean and wash the lemon grass, cut lengthwise and beat flat with the back of a knife. Clean and wash the chilli pepper and cut into rings. Wash and clean the tomatoes and carve them crosswise
Wash the chicken breast. Put them in a pot. Add 1 1/2 tsp salt, pepper, ginger, garlic, onions, lemon grass, chilli pepper and tomatoes. Add 1 1/4 litre of water, bring to the boil covered and simmer on low heat for 30-40 minutes
Peel the carrots, halve them lengthwise and cut into slices. Clean and wash spring onions and cut into rings
Prepare the pasta in boiling salted water according to the instructions on the packet, pour into a sieve, quench briefly and drain very well
Take the chicken breast out of the broth. Pour the broth through a sieve, collect in a pot. Drain tomatoes and remaining vegetables well. Peel the skin from the chicken breast, remove the meat from the bone and pluck it roughly with 2 forks
Bring the stock to the boil again, add the carrots and cook for 6-7 minutes. Heat oil in a pan, fry meat in it while turning. Add meat and noodles to the stock, heat briefly. Add spring onions. Arrange in deep plates