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Syns & Slimming World

How Many Syns in Suet?

By Jenny Updated

Suet is one of those quintessentially British ingredients that has a way of dividing opinion at the dinner table. It's the hard, crumbly fat found around the kidneys of beef or mutton, traditionally grated or shredded and used to bind dumplings, suet puddings, mince pies, and the pastry that crowns a steak and kidney pie.

On Slimming World, however, suet is firmly in the high-syn camp, and there's no clever workaround that magically makes it Free. A single tablespoon of shredded suet weighs in at around 5 Syns, which means even a modest batch of four dumplings can quietly eat 8-10 Syns before you've ladled the stew.

The reason is straightforward: suet is almost pure saturated fat, with very little water and no protein or fibre to balance the calorie density. That makes it brilliant for producing the light, fluffy texture cooks love in a traditional dumpling, but it's a heavy hitter when you're trying to keep your weekly allowance in check.

The good news is that many SW members swap traditional suet for self-raising flour mixed with fat-free natural yoghurt or quark, which produces a passable dumpling for almost no Syns at all. Vegetable suet (the most common brand being Atora) is sometimes assumed to be lower in fat than beef suet, but the Syn value is essentially identical because the fat content is comparable.

Light versions of vegetable suet do exist and shave off around a third of the Syns, which can be worth knowing if you're set on a proper dumpling for a Sunday stew. Used sparingly, suet absolutely has a place in a balanced plan, particularly around colder months when comfort cooking calls.

Per serving

Suet — syn values

Portion Syns kcal
1 tsp (5g) 1.5 32
1 tbsp (15g) 5 95
2 tbsp (30g) 10 190
Quarter pack (60g) 19 380
Half pack (120g) 38 760
Full pack (240g) 76 1520
Syn values are based on Slimming World 2026 guidance. Always double-check with your group or app.

Numbers at a glance

Quick auto-calculated stats for Suet.

30.0syns / 100g
Syns per 100g
useful for comparing brands
10%
of a 15-syn day
based on standard daily allowance
21kcal / syn
calories per syn
the lower, the more 'value' your syns get
6
portion sizes covered
from snack to full serving
1.5syns
cheapest portionat 1 tsp (5g)
smallest serving

Brand breakdown

Popular supermarket and branded products, with the portion-level syn count.

Brand Product Portion Syns kcal
Atora Original Beef Shredded Suet 1 tbsp (15g) 5 95
Atora Light Beef Shredded Suet 1 tbsp (15g) 3.5 67
Atora Vegetable Shredded Suet 1 tbsp (15g) 5 100
Atora Light Vegetable Shredded Suet 1 tbsp (15g) 3.5 70
Tesco Shredded Beef Suet 1 tbsp (15g) 5 95
Sainsbury's Shredded Vegetable Suet 1 tbsp (15g) 5 100
Morrisons Vegetable Suet 1 tbsp (15g) 5 99
Asda Shredded Beef Suet 1 tbsp (15g) 5 96

Lower-syn oil alternatives

Food Portion Syns vs current
Frylight Cooking Spray 1 spray (0.3ml) FREE −1.5 syns

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