How Many Syns In Tinned New Potatoes? Find Out Here!

Updated on 
1 February, 2023

How Many Syns In Tinned New Potatoes? Are They High In Syns On Slimming World? - Our Syn Guide

If your looking to add an easy side to your dinner, you might be tempted to use a can of new potatoes, but are tinned new potatoes syn free on the slimming world plan or do they have syns?

Are Tinned New Potatoes High In Syns On Slimming World?

Tinned new potatoes as long as they are in water are indeed syn free on the slimming world diet, these potatoes only have syns if they are stored in other ingredients or cooked in oil.

In our short syn guide below, we will take you through why tinned new potatoes are syn-free on slimming world, some syn values of other potato products and a recipe for some SW crushed new potatoes to try for a tasty side!

Why Are Tinned New Potatoes Syn Free?

Tinned new potatoes are syn-free on the slimming world plan as long as they are stored in water, allowing you to have as much of them as you want on the plan.

Potatoes themselves are classed as syn free on the plan as long as they are not fried and cooked with oil other than low cal cooking spray, making them excellent mashed as sides or as chips when cooked in an air fryer.

Syn Values Of Potato Products

Potato products are syn free on the slimming world plan unless they contain oil or other kinds of ingredients, some supermarket products like roast potatoes can often contain hidden syns without you knowing which is why you should always check the ingredients list properly.

We've listed a few common potato products down below along with their syn values to help you stay on track.

Syn Values Of Potato Products
  • Aunt Bessie's Homestyle Mini Roasties 700G - 7 syns.
  • Tesco Mini Roast Potatoes with Garlic-Infused Oil 500g - 5 syns.
  • Slimming World Roast Potatoes 1kg - 5 syns.
  • M&S 2 Baked Potatoes with Mature Cheddar Cheese 2 per pack - 5 syns for 100g.
  • Asda Crispy Roast Potatoes 800g - 6 syns.
  • Tesco steak oven chips – 9.5 syns per 100g.
  • Aldi Four Seasons Crispy Roast Potatoes - 8 syns.
  • M&S 4 Baked Jacket Potatoes Frozen 800g - 8 syns.
  • Mccain home chips straight cut - 3 syns per 100g.
  • Mccain home chips crinkle-cut - 3.5 syns per 100g.
  • Tesco sweet potato oven style chips –  7.5 syns per 100g.
  • Tesco crinkle-cut oven chips – 9 syns per 100g.
  • Co-operative crinkle cut chips – 2 syns per 100g.
  • Bannisters Farm 4 Cheese & Onion Baked Potato Skins - 5 syns.
  • Bannisters Farm 6 Little Jacket Potatoes - 5 syns.

Our Best SW Crushed New Potato Recipe

If you've got some new potatoes lying around at home or some tinned ones which need using up, we've got a great recipe to jazz your new potatoes up below as a tasty side which is low in syns and easy to make!


  • 700g of new potatoes.
  • Two sprigs of thyme.
  • Five shallots diced and peeled.
  • Seasoning.
  • 20g of parmesan.


  1. Start by heating your oven to 220 degrees then parboil your potatoes for 15 minutes, spray a roasting dish and transfer (put them straight into the pan for tinned).
  2. Mash up your potatoes in the tin and sprinkle the shallots on top as well as the Parmesan and seasoning then bake for 20 minutes.
Our Best SW Crushed New Potato Recipe

Last Words

Overall, tinned new potatoes are syn free on the slimming world as long as they are stored in water, potatoes with ingredients such as oil will need to be synned on the SW plan due to the added fat and calories, so always check ingredients just in case.

Jennifer is a certified nutritionist and weight loss coach with a Master's in Nutrition from Cambridge. With over 10 years experience, she shares healthy recipes and science-backed slimming tips on SheCooksSheEats to help people reach their wellness goals. Jennifer stays up-to-date by regularly attending conferences and continuing her nutrition education. She aims to provide research-backed advice to inspire balanced, happy living.
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