- Put the oven on to preheat to 200ºC fan oven/220ºC/gas 7.
- Place the squash, oil, peppers, chilli and garlic on a large baking tray. Mix everything together and season with salt and pepper. Place in the oven for 25 minutes, the veg should be beginning to brown.
- Put the stock, water, orange juice and passata in a large saucepan and bring to the boil.
- Add the roasted vegetables and simmer for 5 minutes. Whizz with a hand held blender until smooth.
- Serve with some crusty bread or focaccia.