Who is choosing these snacks?

Shoppers looking for protein in the snack itself

If the cake is meant to contribute protein, look beyond its name or calorie count. Compare the protein figure per serving on the pack: Sainsbury's lists 0.6 g per cake for its plain rice cakes, while M&S describes its Barbecue High Protein Rice Cakes as high protein.

People packing refreshments for a car boot sale

Dry, packaged cakes are straightforward to carry without preparing them at the event. Keep packs closed until needed and check storage instructions; a separate topping or accompaniment needs its own packing plan.

Shoppers checking dietary claims and allergens

Sainsbury's lists Kallo Protein Packed Lentil Cakes as gluten free and vegan. Check the declaration on the exact pack before sharing: Kallo's separate Organic Lightly Salted rice cakes carry a may-contain warning for milk, sesame and soya, which must not be assumed to apply to every Kallo product.

What matters when choosing?

Decide whether the snack must be a rice cake, then compare its labelled protein amount, pack format and ingredients against the people you are serving.

Priority What to check Your needs
Protein Read protein per serving, serving size and per 100 g on the current pack. For comparison, Sainsbury's lists 0.6 g per cake and 8.1 g per 100 g for its plain rice cakes. I want protein in the cake itself, rather than assuming a plain rice cake will provide much per piece.
Type of cake Check whether the product is rice-based or made from pulses. M&S lists wholegrain rice, buckwheat, pea protein and lentil flour in its Barbecue High Protein Rice Cakes; Sainsbury's describes Kallo Protein Packed Lentil Cakes as lentil-and-buckwheat cakes. If it needs to be a rice cake, I will check the ingredients. A lentil cake also works for me if the exact format is less important.
Transport and serving Check the pack size, whether portions can stay protected until needed, and the storage instructions. Plan separately for any topping that requires chilling. I need refreshments that I can carry to the sale and serve with little preparation.
Dietary suitability Read dietary claims, ingredients and allergen statements on the exact pack. A warning on one product does not establish the allergen status of another. Before I share a pack, I need to know whether its ingredients and allergen declaration suit the people eating it.

What is easy to overlook?

  • Assuming every rice cake provides substantial protein

    Protein varies by product and portion. Sainsbury's lists 0.6 g per cake for its plain rice cakes, so the word “rice cake” alone does not answer how much protein one snack provides.

    Compare protein per serving and per 100 g on the pack. If you choose plain cakes as a base, account for any separate food on its own terms.

  • Buying a lentil cake when you specifically want rice cakes

    Kallo Protein Packed Lentil Cakes are described by Sainsbury's as lentil-and-buckwheat cakes. They suit a different format choice from a conventional rice cake.

    Check the product name and ingredients before buying. Choose the pulse-based option only if a rice-based cake is not essential.

  • Applying one product's allergen statement to another

    Kallo's Organic Lightly Salted rice cakes carry a may-contain warning for milk, sesame and soya. That statement belongs to that product, not automatically to Kallo Protein Packed Lentil Cakes.

    Read the current declaration on every exact pack you intend to share, even when a product is described as vegan or gluten free.

Which brands are relevant?

M&S

An option for shoppers who want a rice cake explicitly labelled high protein.

  • M&S describes its Barbecue High Protein Rice Cakes as gluten free and made with wholegrain rice, buckwheat, pea protein and lentil flour.
  • Check the current pack for protein per serving, ingredients and allergens before choosing it for a group.

Kallo

A pulse-cake alternative when a conventional rice cake is not essential.

  • Sainsbury's describes Kallo Protein Packed Lentil Cakes as lentil-and-buckwheat cakes that are gluten free, vegan and a high source of protein.
  • Kallo's allergen statements vary by product; check the exact pack rather than transferring a warning from its separate rice-cake range.

Sainsbury's

Its plain rice cakes provide a dry base when protein is coming from another food.

  • Sainsbury's lists 0.6 g protein per cake and 8.1 g per 100 g for its 135 g plain rice cakes.
  • Those figures should not be mistaken for the protein content of a separate topping or of other rice cakes.

Snack a Jacks

A flavoured multipack to consider when portable portions matter more than a stated high-protein claim.

  • Tesco describes the Salt & Vinegar multipack as suitable for carrying in a bag or lunchbox.
  • If protein is the reason for buying, compare the current pack's protein figures rather than relying on its portable format.

Joybuy product options

This lentil-cake option is for shoppers who can use a pulse-based snack instead of an actual rice cake at the car boot sale.

Kallo Protein Packed Lentil Cakes 100g pack

Kallo Protein Packed Lentil Cakes 100g

These dry lentil-and-buckwheat cakes offer a packaged option to carry to a car boot sale if you do not require a rice cake. Sainsbury's describes this Kallo product as gluten free, vegan and a high source of protein. Check the current pack's protein per serving and allergen declaration before buying or sharing.

View on Joybuy

Frequently asked questions

How can I compare protein in different cakes?

Read protein per serving alongside the serving size, then use the per 100 g figure to compare packs on the same weight basis. A high-protein label does not tell you by itself how many grams of protein you will get from one cake.

Are plain rice cakes a high-protein refreshment on their own?

Do not assume so: Sainsbury's lists 0.6 g protein per cake for its 135 g plain rice cakes. If protein is central to your choice, compare the exact product's serving figure or consider a separate food.

Can I choose Kallo lentil cakes instead of rice cakes?

Yes, if a lentil-and-buckwheat cake suits what you are serving. Sainsbury's describes Kallo Protein Packed Lentil Cakes as gluten free, vegan and a high source of protein, but they are not rice cakes.

What should I check when packing cakes for an outdoor sale?

Follow the storage instructions on each pack and keep cakes protected until they are served. Check ingredients and allergens before sharing, and plan separately for any accompaniment that needs chilling.

What if I plan to sell refreshments rather than bring my own snacks?

Check with the relevant local authority before the event about any food-business requirements that may apply to your plans. Selling or supplying food to others raises different questions from bringing sealed snacks for your own consumption.