Festival-goers relying on the snack for protein
Choose a ready-to-eat cake whose own nutrition panel meets your needs. Compare protein per 100 g, then check how much an individual cake provides if you expect to eat only one or two.
Who is each option for?
Vegan or gluten-free snack planners
Kallo Protein Packed Lentil Cakes and M&S Barbecue High Protein Rice Cakes are listed as vegan and gluten free by their respective retailers. Those descriptions do not replace a check of the current pack's ingredients and allergen warnings.
People taking plain cakes and separate toppings
A plain rice cake can serve as a neutral base if another food supplies the protein you want. Choose a topping you can transport and store safely throughout the event.
What should you check?
Start with the protein in the portion you are likely to eat, then check whether the pack and any toppings will work for your festival plans.
| Priority | What to check | Your needs |
|---|---|---|
| Protein in the cake | Compare protein per 100 g on the same basis, then protein per cake where stated. According to legislation.gov.uk, a UK high-protein claim requires at least 20% of the food's energy to come from protein. | I want the cake itself to contribute protein, even if I eat only a small portion. Tesco lists Kallo lentil cakes at 26.0 g per 100 g and 1.8 g per cake; M&S lists its barbecue rice cakes at 24.8 g per 100 g. Check the current Kallo pack before comparing figures, as the Joybuy description gives a different value. |
| Eating without toppings | Decide whether you want a plain cake or a seasoned one. Check whether a separate topping needs particular storage during the event. | For a snack I can eat straight from the pack, I would consider a seasoned cake or a plain lentil cake. If I take plain rice cakes for toppings, I need a practical way to carry the other food safely. |
| Allergens and diet | Read the exact pack's ingredient list and precautionary allergen statement, not just its vegan or gluten-free description. Tesco says Kallo lentil cakes may contain sesame and soya; Sainsbury's says its plain rice cakes are not suitable for customers with a milk allergy because of manufacturing methods. | When I am packing for someone with an allergy, I need to check the pack they will actually eat, especially if snacks will be shared. |
| Storage and protection | Check the pack's storage instructions and bring an airtight container if you expect to leave it open. Tesco instructs buyers to keep opened Kallo lentil cakes airtight and enjoy them within 14 days. | I need the cakes to survive the journey without being crushed or exposed to moisture, particularly if I am keeping some for another day. |
| Plain rice-cake base | Check protein per cake rather than assuming every rice cake serves the same purpose. Sainsbury's lists 0.6 g protein and less than 0.01 g salt per plain rice cake. | I want a plain base and can bring protein from another suitable food; I am not relying on the rice cake alone for it. |
Packing and buying mistakes
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Assuming every rice cake is high in protein
The difference matters when the cake is your main snack: Sainsbury's lists 0.6 g protein per plain rice cake, while Tesco lists 1.8 g per Kallo lentil cake.
Compare the current packs per cake and per 100 g. If you choose plain rice cakes, plan a separate protein food rather than counting on the cakes alone.
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Treating vegan or gluten-free labels as an all-allergen check
Kallo lentil cakes are listed as vegan and gluten free, but Tesco also warns that they may contain sesame and soya.
Read the ingredients and allergen statement on the exact pack before buying or sharing it.
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Leaving opened cakes loose in a bag
Moisture and crushing can affect the cakes during festival travel, particularly once a pack is open.
Keep the pack unopened until needed where practical. Afterwards, follow its storage instructions and use a clean airtight container for the remaining cakes.
Product and retailer references
These references concern specific products or listings, not every snack sold under each name.
Kallo
Protein Packed Lentil Cakes are a plain, ready-to-eat alternative to conventional rice cakes.
- Tesco and Sainsbury's list 26.0 g protein per 100 g and 1.8 g per cake for the named product.
- Tesco warns that the cakes may contain sesame and soya. Check the current pack's protein figure and allergen statement.
M&S
Its Barbecue High Protein Rice Cakes are a seasoned option for eating without a separate topping.
- M&S lists 24.8 g protein per 100 g and describes the product as vegan and gluten free.
- The disclosed panel lists 16.2 g fat per 100 g; check the full label if that figure matters to your choice.
Sainsbury's
Its plain 135g Rice Cakes offer a neutral base for a separately packed topping.
- Sainsbury's lists 0.6 g protein and less than 0.01 g salt per cake.
- Although prepared to a vegan recipe, these cakes are not suitable for customers with a milk allergy because of manufacturing methods.
Tesco
Tesco's Kallo Protein Lentil Cakes listing provides product details for comparing a lentil cake with plain rice cakes.
- The listing gives protein both per 100 g and per cake, alongside an allergen warning and instructions for opened packs.
- Use the current pack when making a final protein or allergy decision.
Snack a Jacks
Its flavoured multipacks are a conventional rice-cake snack to assess by the exact flavour and pack label.
- Snack a Jacks lists 0.63 g salt per 23 g pack for its Salt & Vinegar multipack.
- If protein is the reason for buying, check the chosen pack's protein declaration rather than selecting it by flavour alone.
Joybuy product options
This Kallo lentil-cake option is for a festival snack you can eat without packing a separate topping.
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Kallo Protein Packed Lentil Cakes 100g
Ready-to-eat lentil cakes suit a festival snack that does not depend on a topping.
The Joybuy description states 21.0 g protein per 100 g and describes the recipe as gluten free and suitable for vegans. Tesco lists 26.0 g per 100 g for the named product, so check the current pack's protein figure before comparing it with other cakes.
Check the pack's allergen statement: the Joybuy description flags potential milk, sesame and soya cross-contact. Keep the cakes airtight after opening, and check current availability before relying on them for your trip.
Common questions
What does ‘high protein’ mean on a UK rice-cake label?
According to legislation.gov.uk, a food may make a high-protein claim when at least 20% of its energy comes from protein. Check the claim and nutrition information for the exact product rather than assuming that a cake containing protein qualifies.
Can plain rice cakes provide the protein for my festival snack?
The Sainsbury's plain rice cakes listed here provide 0.6 g protein per cake, so they are better treated as a base if you want protein from a separate food. For comparison, Tesco lists 1.8 g per Kallo lentil cake; check the current pack before choosing by portion.
How should I pack cakes after opening them?
Follow the instructions on the pack and protect the cakes from moisture and crushing. Tesco says to keep opened Kallo Protein Lentil Cakes in an airtight container and enjoy them within 14 days.
Does gluten free mean a cake is suitable for every allergy?
No. Tesco lists Kallo Protein Lentil Cakes as gluten free but warns that they may contain sesame and soya. Check the current pack's full ingredients and allergen statement for the person who will eat it.
Can I rely on the Joybuy Kallo listing for festival food?
Check live availability and delivery timing before planning around it. The Joybuy listing for Kallo Protein Packed Lentil Cakes 100g stated that the product was out of stock when the product information was gathered on 1 October 2026.