Place the butternut squash and red peppers on a baking tray and drizzle with half of the olive oil. Season with salt and pepper. Roast in a pre-headed oven at 180 ℃ fan for approximately 40 minutes.
In a large pot heat the remaining olive oil on a medium heat and fry the leaks for a few minutes being careful not to colour them. Add the potatoes and carrots, coating them in the oil.
Add the vegetable stock and the spices and simmer for 25-30 minutes (until the potatoes and carrots are soft
When the butternut squash and pepper have finished roasting, add them to the rest of the soup ingredients and allow to cool slightly
With a stick blender, blitz all of the ingredients in the pot until smooth
Allow to cool completely, portion into air tight containers and refrigerate.
When ready to use reheat in the microwave until piping hot (stirring regularly). Serve with freshly ground black pepper