Late-night snackers comparing energy
If you want tortilla chips with your supper, compare kcal per 100g across packs, then consider the amount you will put in a bowl.
Who is this choice for?
Shoppers portioning a sharing bag
A labelled serving can help you measure a snack, provided you check its weight rather than treating the whole bag as one portion.
Shoppers checking dietary suitability
Vegan, vegetarian and gluten-free descriptions do not replace a check of the exact pack’s ingredients and allergen statement.
What should you check?
Start with the per-100g figure for a like-for-like energy comparison, then check the serving weight and the exact pack before choosing.
| Priority | What to check | Your needs |
|---|---|---|
| Comparable energy | Compare kcal per 100g, not just the front of the pack or kcal per serving. Ocado lists the two M&S popped lentil flavours at 433 and 439 kcal per 100g; ASDA lists its Lightly Salted Tortilla Chips at 477 kcal per 100g. | I want to compare products on the same basis before deciding how much to serve. |
| Serving size | Check both the stated serving weight and its kcal figure. ASDA’s one-eighth-pack serving is 22.5g; the M&S popped lentil listings use 30g. | For a late-night snack, I would rather portion the amount I intend to eat than assume a serving figure applies to the whole bag. |
| Type and flavour | Check whether the product is a lentil tortilla, a plain corn tortilla chip or a flavoured corn option. Compare their per-100g figures before treating a flavour or preparation description as an energy claim. | If I specifically want plain corn chips, I need to weigh that preference against the energy figures of the lentil options. |
| Dietary suitability | Read the current pack’s ingredients, dietary labels and may-contain statement. Waitrose & Partners lists Mister Free'd Chilli as gluten-free and vegan, but also says it may contain milk. | Where an ingredient or allergen matters to me, I need the statement for the exact product I am buying. |
Common buying mistakes
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Calling a product low in energy because one serving has a modest kcal figure
A per-serving figure changes with the serving weight. Across the products compared here, retailer listings give values from 433 to 494 kcal per 100g.
Use “lower-energy among these options” for a relative comparison, and check kcal per 100g before choosing a portion.
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Comparing servings of different weights
ASDA’s stated serving is 22.5g, essential Waitrose’s is 25g, and the listed M&S popped lentil servings are 30g. Their per-serving kcal figures are therefore not a like-for-like product comparison.
Compare per 100g first, then measure the serving you actually intend to eat.
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Assuming a dietary label answers every allergen question
Waitrose & Partners lists Mister Free'd Chilli as vegan and gluten-free while also stating that it may contain milk.
Check the ingredients and allergen statement on the current pack against your own requirements.
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Treating a sharing bag as one serving
ASDA suggests eight servings in its 180g Lightly Salted bag, while Waitrose & Partners lists six servings for the Doritos Chilli Heatwave sharing bag.
Decide on an amount before eating and use the pack’s serving weight as a reference.
Brand and product-line references
These figures describe the named products and pack servings, not every tortilla chip sold under each brand.
M&S
The Salt & Black Pepper and Smoked Paprika Popped Red Lentil Tortillas offer two flavoured lentil options in this comparison.
- Ocado lists 433 kcal per 100g and 130 kcal per 30g for Salt & Black Pepper.
- The Smoked Paprika listing gives 439 kcal per 100g and 132 kcal per 30g; neither flavour is a plain corn tortilla chip.
ASDA
ASDA Lightly Salted Tortilla Chips are a plain own-label option with a stated one-eighth-pack serving.
- ASDA Groceries lists 107 kcal for that serving in the 180g bag.
- The serving is 22.5g. Compare the product’s 477 kcal per 100g with other packs rather than comparing serving figures alone.
Mister Free'd
The Chilli Tortilla Chips listing offers a flavoured option labelled gluten-free and vegan.
- Waitrose & Partners lists 475 kcal per 100g and 95 kcal per stated serving.
- The same listing says the product may contain milk; check the current pack if that matters to you.
Doritos
Chilli Heatwave is a flavoured corn tortilla-chip option sold in a sharing-bag format.
- Waitrose & Partners lists 478 kcal per 100g and 144 kcal per 30g serving.
- The listed sharing bag contains six servings, so its serving figure does not describe the whole bag.
Waitrose
Essential Waitrose Salted Tortilla Chips are a plain salted option with a 25g labelled serving.
- Waitrose & Partners lists 122 kcal per 25g serving.
- At 489 kcal per 100g, the product has a higher per-100g figure than the two named M&S popped lentil options.
Sainsbury's
Sainsbury's Tortilla Chips provide another own-label comparison with a 30g stated serving.
- Sainsbury's lists 148 kcal per 30g serving.
- The listing gives 494 kcal per 100g; check the current pack when comparing products or portions.
Tortilla chips and snack alternatives on Joybuy
This selection includes tortilla chips alongside lentil and potato-chip alternatives. Check the product type as well as the serving size if you specifically want tortilla chips for supper.
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PopChips Barbecue 5 x 17g
The five 17g packs offer individually sized snack portions. These are potato chips rather than tortilla chips, so check the pack nutrition if you are comparing energy with the tortilla options.
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Eat Real Sea Salt Lentil Chips 95g
A sea-salt lentil-chip alternative in a 95g pack, rather than a corn tortilla chip. Check the current nutrition panel and measure the amount you want to serve.
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Doritos Chilli Heatwave 5 x 30g
Five 30g packs provide individually sized portions of flavoured tortilla chips. For an energy comparison, use the nutrition information on this multipack rather than assuming it matches a sharing bag.
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Eat Real Sea Salt Multiseed Tortillas 160g
These multiseed tortillas come in a 160g pack. If energy per 100g is your deciding factor, compare the pack’s nutrition panel with the other tortilla options before choosing a serving.
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Eat Real Multiseed Tortillas Smoky Tomato Salsa Flavour with a Hint of Chilli 160g
A flavoured multiseed tortilla option in a 160g pack. Compare its per-100g nutrition information and choose a portion separately; the flavour does not establish its energy content.
Questions about choosing tortilla chips
Which of the compared tortilla chips has the lowest kcal per 100g?
M&S Salt & Black Pepper Popped Red Lentil Tortillas have the lowest per-100g figure among the products compared here: Ocado lists 433 kcal per 100g. Its Smoked Paprika counterpart is listed at 439 kcal per 100g. This comparison does not cover every tortilla chip sold in the UK.
Should I compare kcal per serving or per 100g?
Compare kcal per 100g to judge energy across products, then use kcal per serving to assess the amount you will eat. The named ASDA serving is 22.5g, while the listed M&S popped lentil servings are 30g, so their serving figures alone are not directly comparable.
Does a smaller per-serving figure mean a tortilla chip is lower in energy?
Not necessarily: a smaller serving weight can produce a smaller kcal-per-serving figure even when the product has more kcal per 100g. Check both numbers on the same pack before choosing your portion.
Does a vegan or gluten-free label settle allergen suitability?
No. Waitrose & Partners lists Mister Free'd Chilli Tortilla Chips as vegan and gluten-free but also says they may contain milk. Read the current pack’s ingredients and allergen statement for the exact product.