Click here to take the #makeonechange challenge with Rebecca Adlington Swapping the mince beef in your Spaghetti Bolognese for Quorn mince just once a week for four weeks could mean: Reducing your calorie intake by up to 808 calories** That’s equivalent to the calories you would burn swimming for over 9 miles**. Try Quorn just once a week for four weeks and tell us the difference it makes for you. **Nutricalc data based on Supermarket own label beef mince vs. Quorn Mince. Converted to METS data. See T&C’s.