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Syns & Slimming World

How Many Syns in Brie?

By Jenny Updated

Brie is one of those indulgent cheeses that feels worlds away from the plain cheddar most of us grew up grating onto jacket potatoes. Soft, bloomy-rinded and gently tangy, it spreads like cool butter when ripe and carries a mushroomy richness that pairs beautifully with crisp apple slices, fresh figs or a smear of cranberry sauce.

On Slimming World, brie isn't a Free Food and it isn't part of the Healthy Extra A list either, which means every wedge you slice off needs syning by weight, but that doesn't mean it has to be off limits. A 30g portion lands at around three and a half syns, which is genuinely manageable if you're planning a cheeseboard moment or fancying a posher lunch than usual.

The trick is the scales. Brie is dense and calorie-rich at roughly 320 calories per 100g, so eyeballing it almost always leads to underestimating, especially when you're slicing from a wheel rather than a pre-portioned wedge.

A small set of digital scales solves that instantly. Pair your weighed portion with Speed veg like grapes, cherry tomatoes, celery sticks or a generous rocket salad to bulk out the plate and slow down the eating.

Baked brie studded with garlic and rosemary makes a brilliant low-syn sharing centrepiece if you split a 200g wheel between four, and brie melted onto a Hi-fi bar with cranberry gives you a sweet-savoury fix for around four syns total. Skip the buttery crackers though, they double the damage fast.

Treat brie as a feature rather than a snack, weigh it honestly, and it slots into a SP day or a member's day plan without derailing your week.

Per serving

Brie — syn values

Portion Syns kcal
10g (thin slice) 1 32
20g (small slice) 2.5 64
30g (standard portion) 3.5 95
40g (generous wedge) 5 127
50g (large wedge) 6 158
75g (sharing slice) 9 237
100g 12 316
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 Brie.

10.0syns / 100g
Syns per 100g
useful for comparing brands
7%
of a 15-syn day
based on standard daily allowance
32kcal / syn
calories per syn
the lower, the more 'value' your syns get
7
portion sizes covered
from snack to full serving
1syns
cheapest portionat 10g (thin slice)
smallest serving

Brand breakdown

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

Brand Product Portion Syns kcal
Castello Creamy Brie 30g 3.5 95
Président Brie 30g 4 101
Le Rustique Camembert-style Brie 30g 4 99
Tesco French Brie 30g 3.5 94
Sainsbury's Taste the Difference Brie de Meaux 30g 4 102
Asda Extra Special Brie 30g 3.5 96
M&S Cornish Brie 30g 4 100
Aldi Emporium French Brie 30g 3.5 93

Lower-syn alternatives

Swaps that keep the feel of the original without the syn hit.

Cheddar cheese (as HExA)

Free as HExA (40g)

If you have not used your Healthy Extra A, 40g of cheddar is completely Free. It gives you a more generous cheese portion at zero syns compared with 3.5 syns for 30g of brie. Use it grated over meals or in sandwiches as your main cheese choice on plan.

Laughing Cow Light triangles

1 syn per triangle

A Laughing Cow Light triangle provides creamy cheese flavour at just 1 syn, saving you 2.5 syns compared with a 30g portion of brie. They work well spread on crackers or melted over chicken for a cheesy finish at minimal cost.

Fat-free cottage cheese

Free

Fat-free cottage cheese is completely Free on Slimming World and provides a mild, creamy cheese option at zero syns. While the texture and flavour differ from brie, it works brilliantly as a salad accompaniment or toast topping when you cannot spare any syns for cheese.

FAQs

How many syns in brie?

Brie is approximately 3.5 syns per 30g standard portion. A thin 10g slice is 1 syn, a generous 40g wedge is 5 syns, and 100g comes to 12 syns. Premium brands like President and Sainsbury's Taste the Difference sit slightly higher at 4 syns per 30g due to richer recipes. Always weigh your portion on digital scales.

Is brie a Healthy Extra A on Slimming World?

No, brie is not included in the Healthy Extra A cheese list on Slimming World. Unlike cheddar, which has an HExA allowance of 40g, brie must be fully synned at around 3.5 syns per 30g. This means every slice counts against your daily syn allowance rather than coming for free.

Can you have brie on Slimming World?

Yes, brie fits well as a planned treat. A 30g portion at 3.5 syns is very manageable for a cheeseboard moment or a posher lunch. Weigh it carefully, pair with Free Speed foods like grapes, celery and rocket, and avoid adding buttery crackers which would double the syn cost. Baked brie split between four people works brilliantly too.

Is brie lower in syns than cheddar?

Per 30g portion, brie is actually slightly lower than cheddar. Brie is around 3.5 syns per 30g versus roughly 5 syns for 30g of cheddar (when not used as HExA). However, cheddar can be claimed as a Healthy Extra A at 40g for Free, which brie cannot. If you have already used your HExA, brie is the lighter synned cheese option.

Lower-syn dairy alternatives

Food Portion Syns vs current
Greek Yogurt 0% Fat 170g (Fage 0%) FREE −1 syns
Creme Fraiche Half Fat 1 tbsp (15ml) 1 same

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