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How Many Syns In A Custard Slice? Find Out Here!
Published: 29 March, 2022 
May 8, 2022 by Myke

Are Custard Slices Okay To Eat On Slimming World? Do They Have High Syns?

We all need a sweet treat now and then, even when you are dieting, but to keep your custard slices from affecting your weight loss, you need to ensure your tracking their syns.

How Many Syns In A Custard Slice?

Custard slices typically have between 12.5 and 14 syns per slice, making them very high in syns, this means they should only be eaten in moderation when you have enough room in your allowance. 

We've put together a short guide below, explaining why custard slices are so high in syns, some varying syn values and some low syn alternatives for when your craving something sweet.

Why Are Custard Slices So High In Syns?

At 12.5 to 14 syns custard slices are very high in syns, you would need to save your whole allowance to be able to enjoy one, most of the syns inside of these slices come from the pastry, vanilla icing and custard inside them.

They typically have between 11-13 grams of fat per slice due to the custard as well as around 25g of sugar!

This is not to say you can't eat a custard slice in slimming world but always ensure you eat them in moderation.

Custard Slices Syn Values

Custard slices vary in syns according to the brand and how they are made, so to help you out we've listed some of their varying syn values from different brands below.

  • Sainsbury's Custard Slices 2 x 90g (180g) - 14 syns.
  • Tesco 2 Custard Slices - 13.5 syns.
  • Morrisons 2 Vanilla Custard Slices - 14 syns per 100g.
  • Asda 2 Custard Slices - 12.5 syns.
  • Iceland Custard Slices 6 Pack 210g - 5 syns.
  • Waitrose & Partners 2 Custard Slices - 14 syns.
  • Farmfoods 6 Custard Slices 230g - 6.5 syns.
  • One Stop 2 Iced Custard Slices 188g - 13.5 syns.
How Many Syns In A Custard Slice?

Low Syn Alternatives To Custard Slices

If you find custard slices to be too high in syns, other similar alternatives are low in syns too, we've listed a few options below.

  • Sainsbury's Lemon Slices x6 - 6.5 syns.
  • Sainsbury's Country Slices x6 - 6 syns.
  • Sainsbury's Deliciously Free From Lemon Cake Slices x4 - 8.5 syns.
  • Sainsbury's Caramel Shortcake Slices x4 - 8 syns.
  • Sainsbury's Flapjack Slices x4 - 8.5 syns.
  • Sainsbury's Bakewell Slices x4 - 8.5 syns.
  • Sainsbury's Deliciously Free From Chocolate Cake Slices x4 120g - 7 syns.
  • Tesco Fresh Egg Custard Tarts 2 Pack - 12.5 syns.
  • Tesco Free From Chocolate Brownie 45G - 10 syns.
  • Tesco Finest Free From Millionaire Slices 4 Pack - 12.5 syns.
  • Tesco Free From Lemon Slices X5 - 8 syns.

Should I Have Custard Slices On Slimming World?

How Many Syns In A Custard Slice?

Overall, custard slices are fine to have in slimming world if you have enough room in your allowance, we do suggest eating them in moderation because of their high fat and sugar content. To save syns it might be worth checking out low syn bakery slices as alternatives from our list above when you craving something sweet.

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Hi, I'm Jennifer

Having a sweet tooth, with the ability to cook is a dangerous combination. Fat girl-turned skinny, I am very proud of eating my way into a healthier me (of course working out helped a lot!). On SheCooksSheEats, I share my best recipes so you too can enjoy your food without the guilt along with some cool tips to help you towards your goal! Happy reading xx :)
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