Peel onion, garlic and ginger and dice everything very finely.
Clean and wash the savoy cabbage and cut into fine strips. Clean and wash the peppers and leek. Dice the bell peppers and cut the leek into rings.
Heat the oil in a large pot. Sauté onion, garlic and ginger in it. Add savoy cabbage and leek in portions and sauté briefly. Add tomatoes and juice and chop coarsely. Add 1/2 l water, stock and paprika.
Bring everything to the boil, cover and simmer for about 15 minutes. Season to taste with soy sauce, salt and pepper.
Meanwhile cook the pasta in plenty of boiling salted water for about 10 minutes. Season vegetable pot again. Drain noodles and add to the soup.