How Many Syns in Soup?
By Jenny Updated
Soup is a low-syn option on Slimming World at 7 syns per Heinz cream of tomato (1 tin, 400g) — it fits easily within a standard daily syn allowance. Homemade soup from free-food vegetables is completely syn-free and one of the best volume-eating strategies. Avoid creamy shop-bought varieties. Everyday store-cupboard staples — rice, potatoes, beans, soup — form the base of most Slimming World meals. Some are completely free when cooked from scratch (plain rice, plain potatoes, baked beans in many brands), while convenience versions like microwave pouches or instant mash carry syns because of added oil, butter, or flavourings. The general rule: the closer to the plain, unprocessed version you stay, the fewer syns it costs.
Soup — syn values
| Portion | Syns | kcal |
|---|---|---|
| Heinz cream of tomato (1 tin, 400g) | 7 | 265 |
| Homemade vegetable soup (400g) | 0 | 80 |
| New Covent Garden tomato (400g) | 4 | 160 |
Numbers at a glance
Quick auto-calculated stats for Soup.
Quick facts
- Soup is 7 syns per Heinz cream of tomato (1 tin, 400g)
- 3 portion sizes covered in the table below
- Lowest portion: 0 syns (Homemade vegetable soup (400g))
- Highest portion: 7 syns (Heinz cream of tomato (1 tin, 400g))
- Not Healthy Extra eligible
- Not a free food — counts toward daily syns
- Homemade soup from free-food vegetables is completely syn-free and one of the best volume-eating strategies. Avoid creamy shop-bought varieties.
How Soup compares
At 0 syns for the smallest tracked portion, Soup sits below most staple options on Slimming World — typical syn values for staple range from 2.0 to 12.5 syns per portion, with the median around 6.0 syns. Knowing where Soup sits in that range helps you decide whether it earns its place in your day or whether a swap saves you syns for something else.
When to choose Soup on Slimming World
Soup works as a regular daily option on Slimming World — at this syn level it fits easily into any allowance without forcing you to save syns or trade off elsewhere. Counting it in at the start of the day rather than adding it on retrospectively keeps your tracking accurate and means you always know how much of your daily allowance is left for anything else you fancy.
Common Slimming World mistakes with Soup
The most common mistake with Soup is estimating the portion instead of measuring it. The difference between a casual serving and the listed portion is usually 30 to 50 percent, which translates directly into hidden syns. Weighing the portion once with kitchen scales recalibrates your eye and makes future estimates far more accurate.
Daily tips for Soup
At 0 to 0 syns for a standard serving, Soup fits comfortably into most days without requiring any special planning. The most effective approach is to count it in at the start of the day rather than adding it up at the end — this way it does not feel like a surprise.
If you use Soup regularly, look at the full table above to find the portion that gives you the best value. Smaller, more intentional portions often provide the same satisfaction as a larger casual serving for noticeably fewer syns.
FAQs
Is Soup free on Slimming World?
No, Soup is not free on Slimming World. A Heinz cream of tomato (1 tin, 400g) is 7 syns. You can absolutely include it on plan — it just needs to be counted within your daily syn allowance of 5 to 15 syns. Most people find 10 to 15 syns comfortable and still lose weight consistently.
How many syns is Soup per serving?
A Heinz cream of tomato (1 tin, 400g) of Soup is 7 syns on Slimming World, with approximately 265 calories. The full breakdown by portion size is in the table above, which covers all common serving sizes.
Is this a free food on Slimming World?
Soup is not free on Slimming World in this form — the syn value reflects added fat, oil, or processing. The plain, cooked-from-scratch version of this food is often free or significantly lower in syns. Switching from convenience versions to home-cooked equivalents is one of the most reliable syn-saving changes on the plan.
What are lower-syn alternatives to Soup?
Plain boiled or steamed rice, plain potatoes, plain pasta, and baked beans are all free on Slimming World. The syns come in with convenience versions — microwave rice pouches with added oil, instant mash with butter or cream, and flavoured pasta sachets. Cooking from scratch and batch-freezing portions gives you the same convenience at zero syns. A large batch of plain rice portioned into freezer bags reheats in 90 seconds — the same time as a pouch, at no syn cost. If you are looking for more specific alternatives to Soup, the syn table above can help you compare portion sizes and find a serving that fits your allowance better.
Lower-syn staple alternatives
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