The work behind Frypedia.
Frypedia is built from primary sources. Here's how we verify what we publish, what we've learned about the category, how chains compare directly, and which ones rank best and worst on the metrics most people actually care about.
Rankings
52 chains ranked by the numbers that actually matter: sodium, saturated fat, calories, fiber, vegan-compatibility, gluten-free status. All data from official chain sources.
7 rankings § 02Comparisons
Side-by-side chain-vs-chain breakdowns. McDonald's vs Burger King, Five Guys vs In-N-Out, Culver's vs Steak 'n Shake. The evergreen fry questions, systematically answered.
8 comparisons § 03The Dip
Deeper takes on the patterns behind the chain pages. The Cold Eight, the tallow reversion, the FAT Brands three-way, the White Castle multi-recipe mystery. Where we write up what the data won't say alone.
11 reads § 04The Visuals
At-a-glance references and explainers. Chain-by-attribute matrices (Ingredient Grid, Cooking Oil Map, Allergen Heatmap), the State Map for geography, the Fryer Architecture Diagram for cross-contact, and the Fry History Timeline for the 71-year narrative.
6 visuals
Try Find My Fry — the interactive tool that filters chains by your allergies, diet, and state.
Also see: Which fast food fries are cooked in beef tallow? — the consolidated reference for the five chains using beef in fry preparation.
Which fast food chains fry in peanut oil? — the peanut allergy reference (only one chain still does, plus the Chick-fil-A separate-fryer story).
How we verify every claim — our standards, sourcing, and re-verification cadence.