Low Syn Egg Custard | Slimming World

Egg custard tarts are one of life’s beautiful things. If it was possible to create something just as good but healthy, we’d be incredibly rich. So this Low Syn Egg Custard will have to do, they’re sweet, eggy, and really easy to prepare and cook.

Syn Free Egg Custard

With the limited amount of ingredients required, they’re almost a store cupboard pudding. A good one at that!

Please note that this recipe has been amended to take into account the changes regarding granulated sweeteners that Slimming World made a while ago.

These changes mean that this recipe is no longer Syn Free. 

For further details about these changes take a look at the information regarding Synning Sweeteners which you will find below. 

For the full list of ingredients and comprehensive instructions, please see the recipe card at the end of this post. Before you scroll, there’s important stuff in the blurb 👍

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We use Sukrin 1 which is an all-natural granulated stevia sweetener alternative to sugar with zero calories. You can grab Sukrin 1 over onAmazon UK.

Syn Free Egg Custard

Sukrin 1 doesn’t have that strange after taste that a lot of artificial sweeteners do! It also shares the exact same sweetness and weight to sugar – which makes it really easy to substitute in recipes like this Low Syn Egg Custard.

Syn Free Egg Custard
If you are using a powdered sweetener, then please check how it compares to sugar. In some cases you’ll need to use less, as powdered sweeteners weigh less.

That being said you don’t have to use Sukrin – there are lots of other high quality granulated sweeteners available from the supermarket, such as Canderel Sugarly, and Natvia.

Synning the sweetener

Update – As you will probably know Slimming World have brought out some recommendations regarding the syn value of granulated sweeteners. Slimming World have confirmed what this change means.

Where there is 1 tbsp or more being used per serving they now recommend members count 0.5 Syn per tbsp. If using smaller amounts, like a pinch or teaspoon, there’s no need to worry about Syns at all.

The recipe for this Low Syn Egg Custard uses 4 tbsp and is divided into 2 portions so if you choose to Syn the sweetener then it is recommended you add 2 Syns on to the whole recipe, making it 1 Syn per portion.

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Syn Free Egg Custard

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Syn Free Egg Custard

Votes: 6
Rating: 4.33
Rate this recipe!


Prep Time

Cooking Time

portion(s) 5 Minutes 45 Minutes



Slimming World 

132kcal 2

Smart Points (Flex/Freestyle)



Per portion(s) Per portion(s) Per portion(s)
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  1. In a large bowl, mix together the eggs, Muller Light, sweetener and vanilla until it resembles rubbish looking custard. I don't know how else to describe it...
  2. Prepare two ramekins by placing them in a Bain Marie and pouring the mixture equally between the two.
  3. Cook at 180°C for 45 minutes. And that's about it! They'll look glorious when they're cooked, and then they'll sink faster than the titanic after a minute or two. They still taste good though!

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Syn values given are correct at time of writing but may not always be accurate.

This website is UNOFFICIAL and in NO WAY part of or representative of Slimming World. 

We aren’t trained by Slimming World nor authorised to give Slimming World advice. Any advice given here should not replace the advice of your Slimming World consultant.

Ideally, you should check with Slimming world for the most up to date Syn values using official resources such as; the Syns calculator, Syns Online on LifelineOnline or by calling the Syns Hotline on (0906) 851 8518.

Although pinchofnom.com attempts to provide accurate nutritional information, these figures should be considered estimates. Varying factors such as product types or brands purchased, natural fluctuations in fresh produce, and the way ingredients are processed change the effective nutritional information in any given recipe. Under no circumstances will pinchofnom.com be responsible for any loss or damage resulting for your reliance on nutritional information.

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As our recipes change often in accordance with syn value changes, we want to ensure that they're as accurate as possible at all times. 

If you use or re-create our recipes we kindly ask:

  • That you credit us by not only screenshot but linking to our original recipe post
  • You don't reproduce the recipe in full
  1. Are you sure the quantity of Sukrin 1 is correct? I have just made these with the suggested 4 table spoons and they were inedibley sweet Made them again with just one teaspoon and they were delicious! Will certainly be making them again but with just the one teaspoon of sweetener. Thank you for the idea and for all your other fab recipes.

    1. Hi Barbara
      Yes, you can, but just double check that your vanilla extract is free. A couple of the more syrupy ones have a syn value.

    1. Hi Kaye
      We state this in the write up for the recipe –
      ‘The recipe for this Syn Free Egg Custard uses 4 tbsp and is divided into 2 portions so if you choose to syn the sweetener then it is recommended you add 2 syns on to the whole recipe, making it 1 syn per portion.’

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Slimming World Recipes
A blog started by 2 chefs on their Slimming World journey, evolving into an epic adventure shared by many!