Who is this choice for?

Late-night shoppers comparing sugar

You want Jaffa Cakes but need to compare both the label’s sugars per 100g and the amount in the cakes you plan to eat.

People reconsidering a bedtime snack

If you are about to sleep, the decision may be whether to have a sugary snack at all, rather than which Jaffa Cake pack to open.

Shoppers checking allergens

You need the exact pack’s ingredients and precautionary-allergen wording before deciding whether it is suitable for you.

What should you check?

Start with comparable per-100g figures, then look at your intended portion and whether the snack will be immediately before bed.

Priority What to check Your needs
Sugars and energy Compare sugars per 100g on the same basis. M&S Food lists 47.2g for its 125g dark-chocolate pack; ASDA Groceries and Waitrose & Partners each list 50g for the checked ASDA and McVitie's packs. Also compare energy: those listings give 407, 383 and 376kcal per 100g respectively. A lower sugar figure in this comparison does not establish a ‘reduced sugars’ claim. I want to compare the actual packs, without assuming that the one with less labelled sugar also has less energy.
Amount eaten Check whether the nutrition figure is per cake or per serving, and how many cakes that serving contains. ASDA Groceries lists 6.3g sugars per standard cake, but 15g per one-fifth-pack serving of its Mini Jaffa Cakes. For one snack, I need the figure for the number of cakes I expect to eat; a ‘mini’ name alone does not answer that question.
Bedtime timing If you will eat immediately before sleep, consider whether to have a sugary snack at all. Lancashire and South Cumbria NHS Foundation Trust advises avoiding sugary foods and drinks at bedtime. When I am about to go to bed, I would rather choose a non-sugary snack or water than rely on a change of Jaffa Cake brand.
Ingredients and storage Read the exact pack’s ingredients and allergen warnings; wording differs between the checked retailer listings. Follow its instructions for keeping the remaining cakes after opening. I need to check whether this particular pack is suitable for me and how to keep it if I will eat it over several nights.

Common buying mistakes

  • Calling the lowest figure ‘reduced sugars’

    M&S Food’s 47.2g sugars per 100g is below the figures on the other four checked labels, but its pack lists 407kcal per 100g, compared with 383kcal for the checked ASDA pack and 376kcal for the checked McVitie's pack. A position in this label comparison is not a substantiated comparative nutrition claim.

    Describe the specific figures when comparing packs; do not treat ‘lowest of these labels’ as a ‘reduced sugars’ designation.

  • Assuming mini cakes mean less sugar per snack

    ASDA Groceries gives its Mini Jaffa Cakes sugar figure for one-fifth of a pack, while its standard Jaffa Cake figure is per cake. Those serving bases cannot be compared as though each described one cake.

    Use the exact pack’s serving information to work out which labelled figure corresponds to the amount you plan to eat.

  • Relying on an older product-page description

    Ingredients and allergen information can change, so a retailer listing may not describe the pack in your hand.

    Check the physical label before eating, particularly if allergens matter to you, and confirm availability with the seller before ordering.

Brand and product-line references

These retailer listings help compare particular packs; they do not establish the nutrition of every Jaffa Cake sold under each brand.

M&S

Its checked 125g Dark Chocolate Jaffa Cakes pack has the lowest labelled sugars per 100g of the five products compared here.

  • M&S Food lists 47.2g sugars and 407kcal per 100g for this pack.
  • That comparison is not a ‘reduced sugars’ claim. The listing also says the product is unsuitable for people with a nut or peanut allergy.

ASDA

The checked standard and mini packs use different serving bases, making the intended portion important.

  • ASDA Groceries lists 50g sugars per 100g and 6.3g per cake for its 150g standard pack.
  • Its Mini Jaffa Cakes listing gives 15g sugars per one-fifth-pack serving, not per mini cake.

McVitie's

Check the exact pack version rather than applying one McVitie's nutrition figure to every format.

  • Waitrose & Partners lists 50g sugars per 100g and 5.4g per cake for its checked 10-cake Original pack.
  • Tesco Groceries gives different per-cake figures for a different McVitie's pack; neither listing establishes a reduced-sugars version.

Waitrose

Its checked Mini Jaffa Cakes are a smaller-format option, but the listed sugar figure uses a 25g serving.

  • Waitrose & Partners lists 12.8g sugars per 25g serving.
  • A mini format does not, by itself, tell you the sugar in the amount you will eat.

Tesco

The checked own-label twin pack provides both per-100g and per-cake figures for a standard-format comparison.

  • Tesco Groceries lists 51.5g sugars per 100g and 6.2g per cake for its 282g twin pack.
  • Check current availability before planning a purchase.

Sainsbury's

Its checked 24-cake listing describes an orange-filled, dark-chocolate-topped product.

  • The listing identifies the pack format and product type for shoppers comparing variants.
  • Use the pack’s nutrition label if you want to compare its sugars per 100g with the other products discussed here.

Jaffa Cakes on Joybuy

These McVitie's packs offer different quantities for shoppers who still want conventional Jaffa Cakes. Compare the exact pack’s nutrition label and the number of cakes you intend to eat; none of these formats alone establishes a ‘reduced sugars’ choice.

McVitie's The Original Jaffa Cakes Snack Pack, 6 x 3pk, 198g

McVitie's The Original Jaffa Cakes Snack Pack, 6 x 3pk, 198g

The 6 x 3pk format gives you separate three-cake packs for a late-night snack. Check the nutrition information for the exact pack and decide how many cakes you plan to eat; the format itself is not a reduced-sugars claim.

View on Joybuy
McVitie's 80 Jaffa Cakes, 1.07kg

McVitie's 80 Jaffa Cakes, 1.07kg

This 80-cake pack is a larger-quantity option if the cakes will be eaten on several occasions. For one late-night snack, use the exact pack’s nutrition information for the number you intend to eat and follow its storage instructions after opening.

View on Joybuy
McVitie's Jaffa Cakes Original Triple Pack, 330g

McVitie's Jaffa Cakes Original Triple Pack, 330g

The 330g triple pack suits buying several packs of the Original variant. If your aim is less sugar in one snack, compare its exact nutrition label with other packs and choose the amount you intend to eat; a triple-pack format does not indicate lower sugar.

View on Joybuy

Questions about choosing Jaffa Cakes

Does the lowest sugar figure mean a pack is ‘reduced sugars’?

No. M&S Food lists 47.2g sugars per 100g for its checked dark-chocolate pack, below the other four checked labels, but that ordering alone does not establish the conditions for a comparative ‘reduced sugars’ claim. Compare the figures without treating any of these packs as a substantiated reduced-sugars product.

Is ‘sugars’ on the label the same as free sugars?

No. Nutrition tables state total sugars, while the NHS distinguishes free sugars from that label figure. Use the stated values to compare packs and portions, not to assign an exact free-sugars amount to a cake.

How should I keep Jaffa Cakes after opening the pack?

Follow the instructions on the exact pack. The checked ASDA Groceries and M&S Food listings advise a cool, dry place and an airtight container after opening.

What should I check if I have a food allergy?

Read the ingredients and allergen warnings on the exact pack before eating. The checked retailer listings differ in their milk, soya and precautionary-allergen wording, and product information can change.