If lower fat is the priority for an after-school crisp snack, look for a claim about fat on the exact product and compare the figures per bag as well as per 100g. Walkers Oven Baked Sea Salt states 50% less fat than regular potato crisps and lists 2.8g fat per 22g bag, according to Walkers UK; Walkers Lightly Salted makes a lower-salt claim instead and lists 7.8g fat per 25g bag. Neither type of claim establishes whether a crisp can be served as school-provided food.
Individual bags make the portion on the nutrition label easier to relate to the snack being served. In a 2025 British Nutrition Foundation survey of over 2,500 UK children aged 10–13, 76% said they normally had a snack after school during the week.
A specific fat claim and the figures for the exact flavour matter more to this decision than descriptions such as “lightly salted” or “hand-cooked”. Walkers UK states that its Oven Baked Sea Salt crisps have 50% less fat than regular potato crisps.
A lower-salt crisp answers a different question. Walkers UK states that Walkers Lightly Salted has 45% less salt than the average salt value of regular potato crisps; it lists 31g fat per 100g.
Decide whether fat, salt or the size of the individual bag matters most, then compare the exact flavours on the same basis.
| Priority | What to check | Your needs |
|---|---|---|
| Lower fat | Read what the fat claim compares with. Check fat per 100g for a like-for-like product comparison and per bag for the portion served. | I’m looking specifically for less fat, not simply a different cooking method or a lightly salted flavour. |
| Salt | Compare salt per 100g and per bag on the exact flavour. A lower-salt claim does not describe its fat content. | Salt matters more to me than a reduced-fat claim, so I need to compare those figures separately. |
| Bag size | Check the weight of each bag and whether the nutrition panel gives values for that bag. Use per-100g figures when bag sizes differ. | I want to know what one after-school bag contains. In the British Nutrition Foundation’s 2025 survey of over 2,500 UK children aged 10–13, 76% said they normally snacked after school during the week; that measures timing, not crisp preference. |
| Clear labelling | Identify which nutrient a claim concerns, then read the fat, salt and energy figures on the product label. | I want to understand the choice in the shop. In the same British Nutrition Foundation survey, 33% of the UK children aged 10–13 surveyed thought it was easy to choose a healthy snack from a shop; that is their view of the task, not a judgement about any crisp. |
| Ingredients and allergens | Read the current ingredient list and allergen statement for each flavour, including flavours within a variety pack. | If an ingredient or allergen matters in our household, a flavour name alone is not enough to choose the bag. |
| Food provided by a school | Check the relevant UK nation’s school-food requirements and the school’s catering policy. England’s retail HFSS promotion rules address a different setting. | If the crisps are for food supplied by a school, I cannot use a reduced-fat claim or a retail-promotion rule as an automatic school-food decision. |
Walkers UK lists 31g fat per 100g for Walkers Lightly Salted despite its 45% less-salt claim. Its Oven Baked Sea Salt product makes a 50% less-fat claim and lists 13g fat per 100g.
Choose the nutrient to compare first, then read both fat and salt figures on the exact pack.
The Department of Health & Social Care’s HFSS promotion guidance covers promotion and placement by businesses operating in and selling to England. School-food standards address food provided by schools under a separate framework.
For school-provided food, check the applicable nation’s current requirements and the school’s own catering policy.
Walkers UK lists 2.8g fat for a 22g Oven Baked Sea Salt bag. A larger bag represents a different portion, so its per-bag figure alone does not compare the products on equal quantities.
Use per-bag values for the portion you plan to serve and per-100g values to compare products.
Ingredients and allergen statements differ between products and flavours; Tyrrells, for example, says its Lightly Sea Salted crisps may contain milk.
Check the current pack for the exact flavour, including every flavour in a mixed pack.
These examples refer to specific labelled products, not to every crisp made by each brand.
Its Oven Baked Sea Salt and Lightly Salted products address different nutrient priorities.
Lightly Sea Salted is a hand-cooked comparison for shoppers considering a simple potato-crisp recipe.
Lightly Salted offers a product-specific dietary-suitability comparison, rather than a stated reduced-fat route.
Sea Salted provides another labelled conventional-crisp comparison.
Its listed multipack and grab-bag varieties illustrate why the weight of an individual bag matters.
REAL describes itself as a British-made, family-owned hand-cooked crisp brand.
These individual-bag multipacks offer flavours and bag sizes to compare for an after-school snack. Check each product’s own fat and salt figures: a nutrition claim for Walkers Oven Baked Sea Salt does not establish the values for another flavour or brand.
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Six 22g bags provide individual portions for an after-school snack. Compare the nutrition and allergen information for each flavour in the variety pack.
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Five 17g bags offer a different individual portion size. Read this product’s fat and salt figures before comparing it with a baked crisp, and check its allergen statement.
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Six 22g bags offer a Cheese & Onion flavour in individual portions. Check this flavour’s own nutrition and allergen label rather than using figures for Oven Baked Sea Salt.
No. The claims describe different nutrients. Walkers UK lists 13g fat and 0.85g salt per 100g for Oven Baked Sea Salt, which makes a 50% less-fat claim; Walkers Lightly Salted makes a 45% less-salt claim and lists 31g fat and 0.67g salt per 100g. Compare both figures on the exact pack.
No automatic school-food conclusion follows from a reduced-fat claim. The Department of Health & Social Care’s HFSS promotion guidance concerns retail promotion and placement by businesses operating in and selling to England; England’s school-food standards are a separate framework. Check the requirements for the relevant UK nation and the school’s catering policy before deciding what the school can provide.
Check the nutrition figures, ingredients and allergen statement for each flavour, as well as the weight of each individual bag. A figure or claim for Walkers Oven Baked Sea Salt should not be applied to another flavour without checking that flavour’s pack.
No: the wording concerns salt, not fat. KETTLE Chips lists 29.5g fat per 100g for Lightly Salted, and Tyrrells lists 29.3g per 100g for Lightly Sea Salted. Compare their fat figures with the exact reduced-fat product you are considering.