Butternut Squash with sausages and chesnuts

1 large butternut squash, peeled and cubed
olive oil
cocktail sausages or chipolatas, snipped into pieces
whole chestnuts, roughly chopped
small bunch of sage

Preheat oven to 190. Toss the squash in a slug of oil along with the sausages, chesnuts and sage. Season well, tip into a tin and cook for 40mins or until the squash is tender and browned at the edges and the sausages are browned.