Peel the carrots, clean the leek and peppers. Wash everything and cut into small cubes. Peel and finely dice the onion. Peel and chop garlic. Rinse lentils and drain well.
Heat the oil in a pot. Steam vegetables, onion, garlic and lentils for about 5 minutes while turning. Add tomatoes, vegetable juice and 300 ml water, bring to the boil and simmer for about 30 minutes.
Cook the pasta in 3-4 l boiling salted water (1 teaspoon salt per litre) according to the instructions on the packet. Wash the herbs and shake dry. Pluck off leaves, chop them and add to the sauce. Season the sauce with salt, pepper and 1 pinch of sugar.
Drain the pasta and mix with the sauce. Slice the cheese into thin shavings with a peeler. Arrange noodles, sprinkle with cheese.