Instructions

1. Shred or slice the three types of cabbage thinly - but keep them apart.
2. Cut the onion in half, then slice thinly.
3. Heat the oil in a large saucepan and sauté the onion for about 5 minutes. Add the red cabbage, tomato purée, thyme and stock.
4. Bring to the boil and add the pasta.
5. Cook for 10 minutes (covered), then add the two other sorts of cabbage .
6. Cook for a further five minutes, then serve.