If your immune system needs a pick-me-up, this meat-free chilli comes with lashings of the vitamin C you need - thanks to the red cabbage. How hot you want to make it is, of course, up to you.

Preheat the oven to 180 degrees. Cut the peeled celeriac and parsnip into small cubes and place them in a large bowl. Add the vegetable oil, spices and season well with salt and pepper. Then, use a ...