Peel the butternut squash, cutting into about 1cm cubes. With some oil in a wok, pan fry the b.squash cubes till get some colour and getting softer a bit while season with some black pepper and some nutmeg. In a separate bowl mash the half of the squash with a fork, then stir in the lemon juice, the zucchini bacon slice bits, the grated cheese and the rest of the butternut squash.