Cook the pasta in boiling salted water for about 8 minutes. Then drain. In the meantime clean and wash the spring onions and cut them into rings. Pluck sage and basil leaves from the stems and wash them. Clean, wash and quarter the tomatoes.
Cut out the inside of the tomatoes, cut the flesh into slices. Wash liver, dab dry, cut into slices. Heat 1 teaspoon of lard. Brown the liver all around. Season with salt and pepper, dust lightly with flour. Deglaze with red wine and stock, boil up briefly and season. Heat the remaining lard. Sauté spring onions, tomato wedges and noodles. Fold in herbs.
Deglaze with red wine and stock, boil up briefly and season. Heat the remaining lard. Sauté spring onions, tomato wedges and noodles. Fold in herbs. Season with balsamic vinegar. Arrange garnished with basil