Low Syn Vegetarian Foods - Our Ultimate List!

Updated on 
4 January, 2023

Our Slimming World Low Syn Vegetarian Foods

If you're a vegetarian on the slimming world plan or you simply want to start eating more veggies on the diet, you might be looking for some low syn vegetarian foods to get the most out of your syns.

Most vegetarian food is naturally low in syns since it is veggie-based, but some can have hidden syns and calories, which is why we've put together our ultimate list of low syn vegetarian foods down below.

Low Syn Vegetarian Foods - Our Ultimate List!

Why Track Your Veggie Food Syns On Slimming World?

For people who are new to slimming world, working out the syns in your snacks and food can be overwhelming but is necessary for you to avoid gaining weight on the plan.

Most slimming world users get an allowance of 15 syns a day, as long as you keep to this, you can eat anything you desire on the plan while losing weight.

Our List Of Low Syn Veggie Foods

From french fries to avocado, we've put together our best list of vegetarian foods to choose from below on the SW plan.


Since Avocado is not a syn free on slimming world, it does have to be synned, 77% of avocados calories comes from its fat, which does make it high in syns.

However, if you choose an avocado for example which weighs 90g and have half then it will only set you back 3.5 syns for half.

Avocado is very good for you and is full of good fats which can keep you fuller in between meals, whether you choose to have it on toast as your healthy extra B or a rice cracker.

Pickled Beetroot

Pickled beetroot is syn free on slimming world, making it a great go-to sandwich filler or on rice cakes and salad! Most veggie pickles are syn free on slimming world, just always check for any added extras such as oil which can contribute to hidden syns.

Vegetarian Sausages

Vegetarian sausages are naturally very low in syns than when compared to meat sausages, for example, some types of Linda Mccartney veggie sausages only have 0.5 syns in per one, making them a great low syn snack or even a meal.

  • Linda McCartney's 6 Vegetarian Sausages 270g - 6.5 syns for two.
  • Linda McCartney's 6 Vegetarian Red Onion & Rosemary Sausages 270g - 2.5 syns per one.
  • Asda Vegetarian 6 Vegetable Sausages 300g - 6.5 syns for two.
  • Quorn Vegetarian Sausages 6 Pack 250g - 6 syns for two.
  • The Vegetarian Butcher Little Willies Vegetarian Sausages 160 g - 2 syns.
  • Heck Veg with Edge The Beet Goes On 8 Vegetarian Sausages 340g - 3 syns for one.

Tinned Tomatoes

Tinned tomatoes are a staple for vegetarian cooking and are mostly syn free on slimming world unless the tin contains any oil inside which can contribute to hidden calories.

The same goes for purees and sauces, most tomato-based products are syn free, but always check the ingredients for mix-ins.

  • Tesco Chopped Tomatoes With Chilli 390G - 2 syns.
  • Tesco Chopped Tomatoes With Basil 390G - 2 syns.
  • Tesco Tomato Puree With Herbs 135G - 0.5 syns.
  • Tesco Tomato Puree With Chilli 135G - 0.5 syns.
  • Napolina Chopped Tomatoes & Garlic 400G - 2 syns.
  • Belazu Balsamic Sun Dried Tomato Paste 130G - 8 syns for 100g.
  • Tiptree Tomato Sauce 310G - 1.5 syns.

Monkey Nuts

Peanuts are great filling nuts to have on hand for when you feel peckish, they are not the lowest syn nut, but you don't need a lot of them to be satisfied, this would be the healthier option than heading for crisps or chocolate.

Low Syn Vegetarian Foods - Our Ultimate List!

On average, monkey nuts have about 8 syns for a 38g serving, we would suggest checking how much sodium salted peanuts have in too.

  • Wholefood Roasted Monkey Nuts 250G - 7.5 syns for 25g.
  • Tesco Unsalted Roasted Monkey Nuts 300G - 8 syns.
  • Sainsbury's Roasted Monkey Nuts in Shells 300g - 9.5 syns for 30g.

Frozen Peas

Frozen peas like most other frozen veg are syn free on slimming world, making them easy to add in sauces or as a quick side.

Whether you are having peas fresh, mushed or frozen, this veg is syn free, do watch out for veg however which is frozen with oil, you will often find this is the case with frozen vegetables that are meant for roasting.

French Fries

French fries might not be the healthiest type of vegetarian food, but they are surprisingly low in syns, with just 5-9 syns for the average serving depending on where you get them from.

Most of the syns in frozen french fries come from the oil inside of the packs to stop the chips from sticking together while cooking.

  • Calories in Asda French Fries 1.5kg - 9 syns.
  • Calories in Sainsbury's French Fries 900g - 6 syns for 50g.
  • Calories in Iceland Thin & Crispy French Fries 1.25kg - 11 syns for 100g.
Low Syn Vegetarian Foods - Our Ultimate List!

Final Words

Overall, vegetarian foods are naturally low in syns thanks to them being low in fat and veggie-based, we recommend trying to incorporate veggie meals a few days a week when dieting. Always check tinned, frozen or packet veg for the addition of oil before assuming it syn free.

Depending on the level of your "veganism", you may want to check out our article on syns in vivera shawarma.

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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