This is a fab no-hassle way to make macaroni cheese. You may find the timings vary a bit between slow cookers. The most important thing is not to let the pasta overcook and turn to mush. Each serving provides 608 kcal, 29g protein, 62g carbohydrates (of which 10g sugars), 26g fat (of which 16g saturates), 4g fibre and 1.2g salt.