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Heat oven to 200C/fan 180C/gas 6. Peel and cut the squash and sweet potatoes into chunks. Divide between 2 roasting tins with the garlic and red chilli. Toss with the oil.
Roast for 45 mins. Halve and deseed the chilli, then chop. Squeeze out the garlic and mash everything together. Season and drizzle with oil to serve. Great with roast chicken, chorizo, blue cheese.