Sort the spinach, wash and drain. Wash the tomatoes, dab dry and cut in half. Put liver in a sieve, rinse and drain. Cut liver into pieces of about 2 cm. Peel and finely dice onions
Prepare the pasta in boiling salted water according to the instructions on the packet. Heat half the butter in a coated pan. Sauté the onions until translucent. Add liver and fry for 2-3 minutes while turning. Add 100 ml water and wine, add spinach and tomatoes and simmer covered for about 5 minutes. Finally stir in the remaining butter and let it melt
Wash the chives, dab dry and cut into fine rings. Season liver ragout with salt, pepper and a little sugar. Drain noodles, arrange with ragout on plates and sprinkle with chives