Food and dish guide

Fried onions: allergens and what’s inside

Of 122 packs of fried onions whose ingredients Open Food Facts reads in full, 89% list gluten and 2% list soy. Another 8% carry a “may contain” line for milk. Most list onion, salt and wheat flour.

By Bravoora teamUpdated Sources checked 3 sourcesHow we check

Not for you

for a gluten-free profile, on 89% of these packs

Which allergens are in fried onions?

Of 122 packs of fried onions whose ingredient list Open Food Facts reads in full, 89% list gluten and 2% list soy. Another 8% carry a “may contain” line for milk, 8% for sesame and 7% for soy. Recipes differ from pack to pack, so the label in your hand is the one that counts.

Coeliac or gluten-freeNot for you89% list gluten.
Soy allergyHeads up2% list soy; 7% more carry a “may contain” line for it.
Milk allergyHeads up8% carry a “may contain” line for milk.
Sesame allergyHeads up8% carry a “may contain” line for sesame.
Mustard allergyHeads up7% carry a “may contain” line for mustard.
Celery allergyHeads up5% carry a “may contain” line for celery.

Not for you when most of these packs list the allergen, Heads up when fewer do or only a “may contain” line names it. In the app, a profile gets Not for you on a pack that lists the allergen and Heads up on one whose “may contain” line names it: it reads the pack in your hand, not these counts.

Read the gluten guide

What are fried onions usually made of?

The ingredients most packs of fried onions list, with the share of packs that list each: onion (99%), salt (90%), wheat flour (87%) and palm oil (77%).

Packs in Open Food Facts, by country of sale: France 120 · Germany 58 · Spain 43 · Belgium 12.

Counted on 13 October 2026 from the Open Food Facts product database, which volunteers fill from real packs: it shows what these packs list, not every recipe for fried onions.

Calories and nutrients

Not shown here. Open Food Facts records calories and nutrients per 100 g or per 100 ml without saying which, so a figure for all these packs together could mislead. The pack you buy prints its own, and that is the figure to log.

What kind of food are fried onions?

In the Open Food Facts categories, fried onions are one of the onions and their products.

What else are fried onions called?

French
Oignons frits
German
Röstzwiebeln
Spanish
Cebollas fritas
Italian
Cipolle fritte
Dutch
Gebakken uien
Danish
Ristede løg

Bravoora reads every pack for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dietitians, doctors and trainers

Sources

Every share is counted over the packs whose ingredient list Open Food Facts reads in full. A pack lists an allergen when Open Food Facts’ allergen field names it, or when one of its ingredients stands for it by the same two-of-three checks as the ingredient dictionary (tahini is sesame, a cheese is milk). A “may contain” line counts only for an allergen the pack does not list.

  1. Open Food Facts: product database, 4,535,553 products, read 13 October 2026, ODbL
  2. Open Food Facts: categories and ingredients taxonomies (names, kinds, allergens), ODbL
  3. Open Food Facts: Fried onions

Contains information from Open Food Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this guide’s data · How we check

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