How Many Syns In A Blueberry Muffin? Find Out Here!

Updated on 
15 May, 2022

Are Blueberry Muffins High In Syns? Can I Eat Them On Slimming World?

If you are craving a sweet treat like a blueberry muffin, you might be wondering if you allowed them on the SW plan or if they're too high in syns?

Blueberry muffins have varying syns according to their size and ingredients, but on average you can expect them to have around 14.5 syns for a supermarket blueberry muffin, making them very high syns, consuming nearly all of your daily allowance.

How Many Syns In A Blueberry Muffin?

Down below, we've discussed in further detail why blueberry muffins are so high in syns, some syn values of different blueberry muffins and an SW friendly blueberry muffin recipe for some baking inspo.

Why Are Blueberry Muffins So High In Syns?

Blueberry muffins are very high in syns, using your whole daily syn allowance, these muffins get all their calories and syns from the sugar and fat in them, with on average, containing 24g of sugar and up to 12g of fat.

One way to reduce the syns from blueberry muffins is by choosing mini-sized versions, which are half the amount of syns but can still help to nip a sweet craving in the bud. For example, Asda Baker's Selection 16 Mini Blueberry Muffins only have 5 syns a muffin.

Syn Values Of Blueberry Muffins

Blueberry muffins have different syns according to how they are made and where you are buying them from, we've listed some of their syn values down below to help you compare.

  • Tesco 4 Blueberry Muffins - 14.5 syns.
  • Costa Coffee Blueberry Muffin - 20.5 syns.
  • Starbucks Blueberry Muffin - 20.5 syns.
  • Sainsbury's 4 Blueberry Muffins 284g - 14.5 syns.
  • Asda Baker's Selection 16 Mini Blueberry Muffins - 5 syns.
  • Lidl Bakery Blueberry Filled Muffin - 18 syns.
  • Betty Crocker Low Fat Blueberry Muffin Mix 335g - 9 syns a muffin.
  • Morrisons Cake Shop On Market Street 4 Blueberry Muffins - 19.5 syns.
  • M&S 4 Blueberry Muffins 260g - 10.5 syns.
  • Co-op Bakery 4 Blueberry Muffins - 12 syns.
  • M&S In-Store Bakery Blueberry Filled Muffin - 21 syns.
  • Sainsbury's 12 Mini Blueberry Muffins 240g - 5 syns.
  • Caffe Nero Blueberry Filled Muffin - 19 syns.
  • Genius Gluten Free 2 Blueberry Muffins - 17.5 syns.
  • M&S Made Without Wheat 4 Blueberry Muffins 215g - 10.5 syns.
How Many Syns In A Blueberry Muffin?

Slimming World Blueberry Muffin Recipe

A great way to enjoy a blueberry muffin without guilt in the slimming world is by making your low syn muffins!

Our recipe below makes 6 muffins and will cost you only 3.5 syns a muffin.


  • A teaspoon of baking powder.
  • Pinch of baking soda.
  • 100g of flour.
  • Six tablespoons of sweetener.
  • 60g of blueberries.
  • One teaspoon of butter and sugar.
  • Pinch of cinnamon.
  • Two eggs.
  • 100g of fat-free plain yoghurt.


  1. Start by heating your oven to gas mark 4 then take one tablespoon of flour and set it aside for later. Mix the flour, baking soda and powder.
  2. In another bowl, mix your yoghurt, eggs and sweetener till combined.
  3. Fold in the flour slowly till combined then spray six muffin cases.
  4. Spoon the mixture into the cases equally, top with your butter, flour, cinnamon and sugar mix for a streusel topping
  5. Bake for 40 minutes, cool then serve!
How Many Syns In A Blueberry Muffin?

Final Words

Overall, blueberry muffins are a very high syn sweet treat, taking most of your daily syn allowance or more depending on the type you choose, most of these syns come from the sugar and fat inside.

To keep your blueberry muffins low syn, we suggest choosing mini sizes, or making your own 3.5 syn muffins with our SW recipe above, this swaps sugar for sweetener and uses yoghurt to combine the mix to keep syns low.

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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