View full-size photo · Photo: Open Food Facts contributors, CC BY-SA
Lay's Stax sour cream & onion flavour
Tuiles à base de pommes de terre goût crème acidulée et oignon
Lay's Stax sour cream & onion flavour by Lay's provides 508 kcal per 100 g, with 5.6 g of sugars and 4.6 g of protein. That is 81% more sugar than the average product in this category. Its Nutri-Score is D and it is classified as NOVA 4 (ultra-processed food). It is listed in the Stacked extruded potato crisps category and comes in a 170 g pack. Contains: gluten, milk, sulphur dioxide and sulphites.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 30g
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 508 kcal | 152 kcal | 511 | |
| Total fat | 26 g | 7.8 g | 10% | 29.4 −11% |
| Saturated fat | 2.5 g | 0.8 g | 4% | 4.7 −47% |
| Carbohydrates | 62 g | 18.6 g | 7% | 56.1 +11% |
| Total sugars | 5.6 g | 1.7 g | 3.1 +81% | |
| Added sugars | 5.7 g | 1.7 g | 3% | 2.1 +166% |
| Dietary fiber | 3.9 g | 1.2 g | 4% | 3.4 +13% |
| Protein | 4.6 g | 1.4 g | 3% | 4.7 |
| Salt | 1.6 g | 0.5 g | 1.5 |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 543 Stacked extruded potato crisps products on Foodmetria.
Compared with other stacked extruded potato crisps
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
Pommes de terre deshydratées (49%),huile de tournesol,amidon (dont BLÉ),sirop de glucose,base aromatisante crème acidulée et oignon [poudre de petit-LAIT, sel, oignon en poudre, ail en poudre, arômes (dont LAIT), sucre, poudre de crème acidulée (dont LAIT), LAIT écrémé en poudre, protéine de LAIT, correcteur d'acidité (carbonate de magnésium), extraits de levure en poudre],émulsifiants (mono et diglycéride d'acides gras),huile de colza
- Allergens
- GlutenMilkSulphur dioxide and sulphites
- May contain traces
- Milk
Additives 3
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Quantity
- 170 g
- Serving size
- 30g
- Labels & certifications
- No preservativesGreen DotNo coloringsTriman
- Sold in
- France, Morocco, Spain
- Barcode
- 8710398502957
Prices reported by shoppers
Loading prices…
Frequently asked questions
How many calories are in Lay's Stax sour cream & onion flavour?
Lay's Stax sour cream & onion flavour contains 508 kcal per 100 g and about 152 kcal per serving (30g).
How much sugar is in Lay's Stax sour cream & onion flavour?
Lay's Stax sour cream & onion flavour has 5.6 g of sugars per 100 g, which is considered moderate by UK front-of-pack guidelines.
Is Lay's Stax sour cream & onion flavour healthy?
It has a Nutri-Score of D (A is best, E is worst); it is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
Is Lay's Stax sour cream & onion flavour vegan?
Based on its ingredient list, it is not vegan.
What allergens does Lay's Stax sour cream & onion flavour contain?
According to the label data it contains: Gluten, Milk, Sulphur dioxide and sulphites. Recipes change — always check the package label.
Source: Open Food Facts (ODbL). Last updated June 23, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
Reviews
Compare & rankings
Healthier alternatives
Best in category →Same category, meaningfully better on at least one measure and no worse on the others. Each card shows what improves.
c NOVA 4 
c NOVA 4 
c NOVA 4 
d NOVA 4 More stacked extruded potato crisps
View all →
d NOVA 4 
d NOVA 4 
d NOVA 4 
d NOVA 4 
d NOVA 4 
d NOVA 4 More from Lay's
View all →
c NOVA 4 
d NOVA 3 
d NOVA 3 
c NOVA 3 
d NOVA 3 
c NOVA 4