National chain · Est. 1954
Burger King
Vegan ingredients, complicated kitchen.
§ 01
At a glance
Vegetarian
Suitable
No animal-derived ingredients.
Vegan
Suitable
Plant-based by ingredients; shared fryer with meat is the asterisk.
Gluten-Free
Not suitable
No wheat in ingredients, but cooked in oil shared with breaded chicken, fish, and onion rings.
Dairy-Free
Likely safe
No dairy ingredients; minor shared-fryer risk.
Kosher
Not certified
Not kosher-certified.
Halal
Not certified
Not halal-certified in the U.S.
Burger King's fry recipe is engineered around rice flour and potato starch instead of wheat — a smart choice that makes the fry itself one of the cleaner ingredient lists at a major chain. The wrinkle is the kitchen: BK runs a shared fryer with breaded chicken, fish filets, and onion rings, which means the cleanest ingredient list in the world won't help if you have celiac disease.
§ 02
Nutrition facts
Burger King's published nutrition data for the serving size most comparable to an industry "medium" order. Values shown are per-serving and calculated against FDA 2020 Daily Values.
For comparison across chains, see our rankings pages — lowest sodium, lowest saturated fat, lowest calorie, and more.
§ 03
Ingredients, line by line
Annotated ingredient list
- Potatoes Fine
- Vegetable oil Soy — Soybean, canola, and/or palm oil.
- Modified potato starch Fine — Coating for crispness.
- Rice flour Fine — The unsung hero. Most chains use wheat flour for batter; BK uses rice flour, which is naturally gluten-free.
- Potato dextrin, dextrose Fine — Binders and color helpers.
- Salt, leavening, xanthan gum Fine
- Sodium acid pyrophosphate Fine — Color preservative.
Potatoes, Vegetable Oil (Soybean Oil and/or Canola and/or Palm Oil), Modified Potato Starch, Rice Flour, Potato Dextrin, Salt, Leavening (Disodium Dihydrogen Pyrophosphate, Sodium Bicarbonate), Dextrose, Xanthan Gum, Sodium Acid Pyrophosphate (added to preserve natural color). Cooked in vegetable oil (corn, canola, soy, and/or cottonseed).
The rice-flour decision
Most fast-food fries that aren't "just potato + oil + salt" are coated with wheat flour for crispness. Burger King uses rice flour and potato starch instead — an underrated detail that makes their fry one of the few major-chain fries with no wheat in the recipe. Compare to Checkers/Rally's, which uses both regular and enriched wheat flour. Same product category, completely different design choice.
§ 04
Oil & fryer setup
Primary oil
Vegetable oil blend
Cooked in a blend of corn, canola, soybean, and/or cottonseed oils.
Fryer setup
Shared
Per Burger King: shared fryer with Fish Filet, Pork Sausage, Crispy Chicken Patty, Chicken Nuggets, Hash Browns, French Toast Sticks, and Onion Rings.
Cross-contamination
High risk
Most non-fry items in that fryer contain wheat or animal proteins.
Coating
Rice flour + potato starch
No wheat in the ingredients — unusual for the category. The fry itself is gluten-free; only the kitchen environment isn't.
§ 05
Top-9 allergen status
Per the FDA's nine major allergens, as disclosed by Burger King for Burger King French Fries.
✓ Milk
✓ Wheat*
✓ Egg
✗ Soy
✓ Peanut
✓ Tree Nut
! Fish*
✓ Shellfish
✓ Sesame
Wheat: not in fry ingredients, but shared fryer with wheat-coated items means cross-contamination risk. Fish: shared fryer with Fish Filet.
§ 06
Frequently asked questions
Are Burger King's fries vegan?
Yes — Burger King's fries are vegan by ingredient. Plant-based by ingredients; shared fryer with meat is the asterisk.
Are Burger King's fries vegetarian?
Yes — Burger King's fries are vegetarian. The fries contain no animal-derived ingredients. No animal-derived ingredients.
Are Burger King's fries gluten-free?
No — Burger King's fries are not safe for celiac disease. No wheat in ingredients, but cooked in oil shared with breaded chicken, fish, and onion rings.
What oil does Burger King use to fry their fries?
Burger King's fries are cooked in Vegetable oil blend. This is the same oil used for burger king's entire fried menu at most locations — full fryer-sharing detail is documented in the Oil & fryer setup section above.
What are the ingredients in Burger King's fries?
See the Ingredients section above for the full annotated list for Burger King's fries — cooking oil, potato preparation, seasonings, and any coatings or additives. Each ingredient is flagged for dietary concerns where relevant.
Are Burger King's fries dairy-free?
Burger King's fries do not contain dairy as an ingredient. No dairy ingredients; minor shared-fryer risk.
Are Burger King's fries kosher?
Burger King's fries are not certified kosher. Not kosher-certified.
Are Burger King's fries halal?
Burger King's fries are not certified halal. Not halal-certified in the U.S.
How many calories are in Burger King's fries?
A medium order of Burger King's fries contains 370 calories, 17g total fat (3g saturated fat), 330mg sodium, 50g carbs, and 5g protein. Source: Burger King official via MyFoodDiary.
Does Burger King use beef tallow in their fries?
No — Burger King's fries are cooked in Vegetable oil blend, not beef tallow. Five chains on Frypedia still use beef in their fry preparation (McDonald's, Steak 'n Shake, Bojangles, Portillo's, Smashburger); Burger King is not one of them.
§ 07
In the wild
BK's "satisfries" experiment came and went; today's product is the standard cut introduced in the 2013 reformulation.
§ 08
Sources
Every claim on this page is sourced. If a source is wrong, dated, or missing, tell us — we update quickly.
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Important — read before you eat
Ingredient formulations change, sometimes with no public announcement. Allergen risk at any fast-food restaurant depends on the specific location, the time of day, and the staff on shift. For severe allergies, confirm ingredients with the restaurant at the point of ordering, and when in doubt, ask about fryer and equipment cross-contact. This page is an independent reference — not medical advice.
