Is M&S Food Potato Rosti ultra-processed?

Rostis Sold in the United Kingdom

Pack of M&S Food Potato Rosti

It's processed, but not ultra-processed

  1. 1 Unprocessed
  2. 2 Kitchen staple
  3. 3 Processed
  4. 4 Ultra-processed

Whole foods combined with:

  • 8 ingredients
  • No additives
  • Nutri-Score C

Less processed potato preparations

Less processed isn't automatically healthier, so compare the labels for what matters to you, such as sugar or salt.

Ingredients

Ultra-processing Processing signs are highlighted

Potatoes 75%, Onions 13%, Dried Potatoes Vegetable Oil (Sunflower Vegetable Oil (processing marker), Rapeseed Vegetable Oil), Salt (processing marker), Prepared to a recipe, Not suitable for those with a Milk and Egg allergy because these allergens are present in the environment

As written on the pack

Potatoes (75%) Onions (13%). Dried Potatoes Vegetable Oil (Sunflower/ Rapeseed). Salt. Prepared to a Vegan recipe. Not suitable for those with a Milk or Egg allergy because these allergens are present in the environment. Suitable for vegans

What makes it processed

Culinary ingredients

Kitchen staples like sugar, salt and oil. On their own they make a food processed, not ultra-processed.

  • Salt Salt, added for taste and preservation.
  • Vegetable oil Vegetable oils are pressed or extracted from seeds, nuts and fruits.

How the NOVA groups work

Among 9 rostis

From least to most processed, this one ranks 2nd. 67% of the rostis here are ultra-processed.

Ranked by NOVA group, then by the number of ultra-processing signs, additives and ingredients. Our ordering, not part of NOVA.

All 9 rostis, least processed first

About this information

  • Data from this product on Open Food Facts (barcode 00892308, last edited 25 March 2026), available under the Open Database License. If something is wrong or the recipe has changed, you can correct it there.
  • Photo: Open Food Facts contributors, CC BY-SA 3.0.
  • The NOVA group is an automated estimate from crowdsourced data: a missing or mistyped ingredient can change it.
  • NOVA measures processing, not nutrition. For nutrition, Open Food Facts gives this product a Nutri-Score of C (from A, best, to E).
  • General information, not medical or dietary advice. Check the pack if you have an allergy.