- 1 tbsp vegetable oil
- 15g/½oz butter
- 1 large carrot, diced
- 1 celery stick, diced
- 1 onion, finely chopped
- 3 medium sized beetroots (around 450g/1lb unpeeled weight), peeled and diced
- 1 large waxy potato, diced
- 2 garlic cloves, finely chopped
- 1½ litres/2½ pints good quality beef stock
- ½ purple cabbage, finely shredded
- 2 tomatoes, skinned, cored and chopped
- salt and freshly ground black pepper
