Clean the leek and cut into rings, as well as the onion and garlic.
Heat oil in a saucepan and fry the leeks, onions and garlic briefly and then sauté with a little water.
Then add the two cans of peeled tomatoes, the vegetable stock powder, chilli, tomato paste and basil and fill up with almost 2 tomato cans of water. Puree the whole thing with the magic wand, heat slowly and bring to the boil briefly.
Variations: If you want, you can add 1/8 l coconut milk or chopped tofu cubes fried in oil or fine soup noodles and chopped fried vegetables (carrots, zucchini).