Roast potatoes are an essential part of any roast dinner, but are often cooked in fat and oil, which begs the question, are they high in syns on slimming world?

Roast potatoes do have syn on slimming world, with the average serving of 100g having between 5-10 syns when brought from the supermarket or at a restaurant, making them high in syns and therefore should be consumed within moderation.
Down below, we will discuss in more detail why roast potatoes have syns on slimming world, syn values of roast potatoes as well as an SW recipe for making your syn free roasties at home!
At 5-10 syns for 100g, roast potatoes can be very high in syns depending on how they are made. Roast potatoes get their high syn values from the fat and oil they are stored in and used to cook with, otherwise, potatoes are syn-free on the slimming world plan.
For example, roast potatoes from Toby Carvery a chain restaurant have around 5.5 syns a serving since they are stored in beef drippings. In oil, the syns might be even higher, for example, Tesco's roast potatoes with sunflower oil have 9.5 syns a serving and up to nearly 3g of fat.
Roast potatoes have varying syns according to the types of fat they are cooked with or oil, to help you compare syns, we've listed some popular values down below.

If you find regular roast potatoes to be too high in syns, why not make your own slimming world friendly roast potatoes at home?
Our recipe below is syn-free and serves four people.

To conclude, roast potatoes can be very high in syns since they often contain drippings or oil to keep them separate and for cooking. Since potatoes are syn-free, we recommend making your own slimming world friendly roast potatoes when you have time with low-cal cooking spray in order to save syns.
Syn values are calculated using a formula based on calories, saturated fat and sugar content per serving. They’re not the same as calories — a product can be low in calories but higher in syns if it’s high in sugar or fat. Always check the official Slimming World app for the most accurate and up-to-date syn values.
Yes. When manufacturers reformulate their products, the syn value can go up or down. This is why we recommend double-checking with the Slimming World app or your consultant, especially if a product’s packaging has changed recently.
Most Slimming World members work with 5 to 15 syns per day. Your consultant will advise on the right amount for you. The key is to use your syns on the things you enjoy most — whether that’s a chocolate bar, a glass of wine, or a packet of crisps.
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