Who is this choice for?

Shoppers avoiding added sugar

A no-added-sugar label matters more to you than choosing the smallest total-sugars figure. You still need to read the nutrition panel, ingredients and allergens: Asda's listing for Heinz No Added Sugar Cream of Tomato Soup identifies sugars, a sweetener and milk.

Shoppers comparing total sugars

You are willing to compare flavours using sugars per 100g, even if an ingredient list includes sugar. Check salt separately; Sainsbury's lists both sugars and salt for Heinz French Onion Soup.

Festival campers with limited facilities

A tin is practical only if its preparation instructions fit the facilities you will have. Plan for heating and serving the soup, and for transferring and refrigerating any leftovers after opening.

What should you check on the label?

Decide whether added sugar or the total-sugars figure matters to you, then compare nutrition panels on the same per-100g basis and check whether you can prepare the soup at the festival.

Priority What to check Your needs
Added sugar Read the exact pack claim and ingredients, then check total sugars per 100g. Asda lists Heinz No Added Sugar Cream of Tomato Soup at 2.6g sugars per 100g and identifies steviol glycosides. If I am avoiding added sugar, I need the no-added-sugar wording; I will not assume it means sugar-free or sweetener-free.
Total sugars Compare sugars per 100g, not figures for different serving sizes. Sainsbury's lists 1.9g per 100g for Heinz French Onion Soup, compared with Asda's 2.6g per 100g for the Heinz tomato soup; the onion soup's ingredients include sugar. I care about the total-sugars figure and am willing to check the ingredients separately.
Salt and allergens Read salt per 100g and per serving where both are given. Sainsbury's lists 0.5g salt per 100g for Heinz French Onion Soup; the Heinz no-added-sugar tomato soup contains milk. Check the current pack for an exact salt comparison. Before choosing a flavour, I want to know what else is on its nutrition panel and whether its allergens matter to me.
Festival preparation Check the heating method, equipment and opened-pack storage instructions. The researched Heinz soups give hob or microwave directions; Food Standards Agency guidance presented by Health Well advises transferring food out of an opened tin and refrigerating it. Will I have suitable heating and serving equipment, and somewhere to chill soup I do not finish?

What can catch shoppers out?

  • Reading “low sugar” as “no added sugar”

    Sainsbury's labels Heinz French Onion Soup low sugar, but its ingredients include sugar. That makes it a different choice from a soup selected specifically for its no-added-sugar claim.

    Read the claim and ingredients together, then use the per-100g nutrition panel to compare total sugars.

  • Checking sugars but not salt

    Heinz French Onion Soup lists 1.9g sugars and 0.5g salt per 100g at Sainsbury's. A sugars comparison alone does not tell you its salt content.

    Compare both figures on the same per-100g basis, then look at the portion you expect to eat.

  • Treating an ambient tin as a no-cook meal

    The researched Heinz soups provide heating instructions, while opened leftovers need suitable chilled storage. An unopened tin's storage convenience does not answer how you will serve it.

    Check the pack directions against your festival facilities, including a suitable bowl if you plan to use a microwave.

  • Relying on an online figure instead of the pack

    Product information can change, and Asda's displayed salt figures for Heinz No Added Sugar Cream of Tomato Soup are inconsistent between its per-100g and half-can entries.

    Check the current pack before making an exact salt comparison, and read its allergen declaration before use.

Which brands and retailers are relevant?

These references help with product-by-product label comparisons; a retailer's soup range does not establish the ingredients of every tin it sells.

Heinz

Two Heinz soups illustrate why a no-added-sugar claim and a lower total-sugars figure lead to different choices.

  • Asda lists 2.6g sugars per 100g for No Added Sugar Cream of Tomato Soup; Sainsbury's lists 1.9g per 100g for French Onion Soup.
  • The tomato soup contains milk and steviol glycosides. French Onion Soup includes sugar in its ingredients and lists 0.5g salt per 100g.

Tesco

Tesco's tinned-soup category includes manufacturer brands and own-label options.

  • Its category listing includes Heinz No Added Sugar Cream of Tomato Soup alongside other soups.
  • Use an individual product label, rather than the category listing, to compare a Tesco own-label soup's nutrition and allergens.

Sainsbury's

Its Heinz French Onion Soup product information provides figures for a per-100g comparison.

  • The listing shows sugars, salt and an ingredients list for that specific soup.
  • Check the current pack when making a purchase decision; these details describe the listed product, not other Sainsbury's soups.

Asda

Its Heinz No Added Sugar Cream of Tomato Soup listing supplies the claim and ingredient details relevant to avoiding added sugar.

  • The listing identifies 2.6g sugars per 100g, milk and steviol glycosides.
  • Its displayed salt entries are inconsistent; check the current pack for an exact figure.

M&S

M&S lists several tinned soups, but each product needs its own label check.

  • Its Cream of Tomato Soup product page gives a per-100g nutrition panel and ingredients.
  • That specific soup lists 5.9g sugars per 100g and includes sugar; it does not serve the same no-added-sugar requirement as the researched Heinz tomato soup.

Joybuy soup option

This parsnip and carrot soup is an option to assess against your preferred per-100g label figures and the heating facilities available at your festival.

Crosse & Blackwell Best of British Spicy Parsnip & Carrot Soup 400g

Crosse & Blackwell Best of British Spicy Parsnip & Carrot Soup 400g

For a festival meal, check the current pack's sugars, salt, allergens and heating directions against your needs and facilities. The tin is 400g; plan suitable chilled storage for any leftovers after opening.

View on Joybuy

Frequently asked questions

Is “no added sugar” the same as “low sugar” on soup?

No. Asda lists 2.6g total sugars per 100g for Heinz No Added Sugar Cream of Tomato Soup. Sainsbury's lists 1.9g per 100g for Heinz French Onion Soup, which is labelled low sugar but includes sugar in its ingredients. Choose according to which distinction matters to you, and read both the claim and the panel.

What should I compare besides sugars?

Compare salt, allergens, energy and the portion you expect to eat. NHS food-labelling guidance explains that nutrition information is given per 100g or 100ml and may also appear per portion; the per-100g figures let you compare similar soups on the same basis.

Can I take tinned soup to a festival without cooking equipment?

Check the particular soup's preparation instructions before packing it. The researched Heinz soups give hob or microwave directions, so do not assume they fit a no-cook plan; microwave preparation also requires a suitable bowl.

How should I store soup left after opening a tin?

Transfer leftovers to a suitable container and refrigerate them, following the pack's instructions. Food Standards Agency guidance presented by Health Well advises against storing food in an opened tin.

What if a soup tin is deeply dented?

Do not use a deeply dented tin. Food Standards Agency guidance presented by Health Well warns that deep damage may conceal a split, hole or break in the seal.