How Many Syns In Passata? Find Out Here!

Updated on 
8 August, 2022

Does Passata Have Syns On Slimming World? - Our SW Syn Guide

If you are looking to make some pasta for dinner or maybe you are stocking up on some cupboard essentials, you might be wondering if passata sauce is syn-free on the slimming world?

Does Passata Have Syns On Slimming World?

Passata is syn-free on the slimming world plan as long as it has no added ingredients like oil or other flavourings, this means you can use as much of it as you want without restrictions.

In our syn guide below, we will take you through why passata is syn-free, some syn values of passata, values of other tomato products and our own tomato basil pasta sauce using passata.

Why Is Passata Syn Free On Slimming World?

Passata is syn free on the slimming world plan, this is because this sauce is simply made from crushed tomatoes and tomatoes are syn-free on the plan, meaning you can have as much of them as you want on the plan.

Passata sauce only starts to have syns when you buy the versions with oil and other added ingredients, so to be on the safe side, always check the label on your store-bought sauce to make sure it's just plain passata.

Syn Values Of Passata

Passata has a wide range of syn values depending on the type you buy and its ingredients, to help you compare syns, we've listed some general syn values of different brands down below.

  • Tesco Italian Tomato Passata 500g - Syn free.
  • Asda Passata Sieved Tomatoes 500g - Syn free.
  • Aldi Sweet Harvest Passata 500g - Syn free.
  • Napolina Tomato Passata 690g - Syn free.
  • Lidl Freshona Tomato Passata 500g - Syn free.
  • Morrisons Tomato Passata 500g - Syn free.
  • Aldi Specially Selected Garlic Passata 700g - 5 syns a serving.
  • Aldi Specially Selected Basil & Oregano Passata 700g - 5 syns.
  • Morrisons Tomato Passata with Onion & Garlic 390g - 1.5 syns.
  • Asda Passata with Chilli & Peppers 500g - 2 syns.
  • Napolina chilli & olive oil passata sauce 430g - 2.5 syns a serving.
  • Tesco Growers Harvest Tomato Passata 500g - Syn free.
Syn Values Of Passata

Syn Values Of Other Tomato Products

Most tomato products like pastes and sauces are often low in syns or syn free on the slimming world, we've listed some syn values of other tomato products to help you out down below.

  • Cirio Peeled Plum Tomatoes 4X400g - Syn free.
  • Cirio Chopped Tomatoes 4X400g - Syn free.
  • Tesco Italian Cherry Tomatoes 400G - Syn free.
  • Napolina Tomato Puree Tube 142G - Syn free.
  • Tesco Organic Chopped Tomatoes 390G - Syn free.
  • Heinz Top Down Squeezy Tomato Ketchup Sauce 460G - 0.5 syns per serving.

Our Best SW Tomato Sauce Recipe

If you've got a couple of packs of passata in the cupboard and you are not sure what to do with them, why not try making your own tomato basil pasta sauce at home?

We've listed the syn free SW recipe below.


  • One onion.
  • Two garlic cloves.
  • One spoonful of tomato paste.
  • Three sprigs of oregano.
  • Pinch of cumin and chilli powder.
  • Two cans of chopped tomatoes.
  • 200g of passata.
  • Handful of basil.
  • Low cal cooking spray.
  • Three spoons of balsamic vinegar.


  1. Start by heating a pan and add in your low cal cooking spray, onions, garlic, oregano, tomato paste and spices then cook for five minutes and in a few spoons of water.
  2. Next, add in your chopped tomatoes and passata then simmer for around half an hour.
  3. Mix in your vinegar and basil then serve with some pasta and extra seasoning!
Our Best SW Tomato Sauce Recipe

Last Words

Overall, passata is syn-free in the slimming world making it a great cupboard essential to stock up on for pasta and other sauces.

Be careful to avoid passata with added ingredients like oil since these options will have syns, instead add your flavourings to plain passata like in our SW recipe above to keep your sauce syn-free.

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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