Head-to-head.
The questions people actually search for — McDonald's vs Burger King fries, Five Guys vs In-N-Out — deserve direct answers. Here they are.
McDonald's vs Burger King
The two biggest QSR chains on Earth. McDonald's has the iconic taste and the beef-flavor asterisk. BK has the cleaner ingredient list and rice-flour coating. Who wins on what.
COMPARISON · THE PREMIUM FRYFive Guys vs In-N-Out
Two all-green chains, two different philosophies. Peanut oil vs sunflower oil. Fresh-cut potato vs Kennebec. Which hand-cut fry is the hand-cut fry?
COMPARISON · CHICKEN KINGSChick-fil-A vs Popeyes
Waffle Fries vs Cajun Fries — and a striking difference in fryer policy. One is all-green, one is caution. The same ingredient philosophy leads to opposite verdicts.
COMPARISON · THE FLAVOR DEBATEWendy's vs Arby's
Natural-cut sea salt vs curly-fried-wheat-batter. One brags about its potato; the other about its seasoning. Two radically different fry ideas, both fairly celebrated.
COMPARISON · MIDWESTERN CRINKLECulver's vs Steak 'n Shake
The two Midwestern crinkle-cut icons. Culver's stays with vegetable oil; Steak 'n Shake switched back to 100% beef tallow in January 2025. Same cut, different philosophies.
COMPARISON · REGIONAL ICONS THREE-WAYWhataburger vs In-N-Out vs Portillo's
Three regional chains, three fiercely loyal fan bases, three completely different fry programs. Texas, California, and Chicago walk into a fryer — only one comes out all-green.
COMPARISON · INGREDIENT COUNTSHow many ingredients are in fast food fries?
From Shake Shack's 2 to Taco Bell's 25, the spectrum is enormous. A 19-chain comparison ranked by ingredient count, with the methodology spelled out and per-chain notes on every entry.
COMPARISON · OIL INDEXWhat oil does each fast food chain fry in?
The sitewide cooking oil index for all 54 chains, grouped by oil family — peanut, sunflower, beef tallow, canola, vegetable blend. The reference for "what oil does X use" questions.
For systematic cross-chain views across nutrition metrics, see Rankings.