11 Restaurant Chains That Cook in Peanut Oil (2026)
Peanut oil sits in the middle of the seed oil debate. It is not technically a seed oil (peanuts are legumes) and it runs about 33% PUFA, well under soybean oil at roughly 60%. These tracked chains mention peanut oil in their cooking oil information.
Checking before you eat out? The app shows what every chain fries in and adds up the seed oil in your order before you pay.
Get the app| Chain | What we know | Grade · avg |
|---|---|---|
| The Original Pancake House | clarified/rendered butter on the griddle for Apple Pancake, Dutch Baby, potato pancakes, French toast, crepes and GF pancakes (no peanut oil); standard buttermilk pancake and… | A 2.8g avg |
| Zankou Chicken | Canola oil (garlic sauce/toum); peanut oil (falafel frying); tahini/sesame (hummus, mutabbal, tahini sauce); chicken fat (rotisserie) | A 3.4g avg |
| Chick-fil-A | 100% refined peanut oil (fried chicken); high-oleic canola oil in dedicated fryers (waffle fries, hash browns) | B 4.8g avg |
| Five Guys | 100% refined peanut oil (all fried items; dedicated fry-only fryers) | B 5.0g avg |
| Penn Station East Coast Subs | Peanut oil blend (contains soy) for the fresh-cut fries ("the peanut oil we utilize for our fries", official nutrition FAQ). The grill "butter" is not dairy butter: the chain's… | C 6.1g avg |
| Legal Sea Foods | No official allergen/ingredient document names the house fryer oil (their allergen page 404s and no FDD exists since they're corporate-owned, not franchised). They deep-fry… | C 6.3g avg |
| Just Salad | canola oil (primary, confirmed in Caesar dressing and house dressings); peanut oil component in Thai Peanut dressing; miso-ginger vinaigrette likely soybean/sesame blend | C 7.5g avg |
| Cheeburger Cheeburger | peanut oil (frying — confirmed for hand-cut fries, onion rings, and all fried items; multiple sources including Houston Press review and menupages listing; current file… | D 8.0g avg |
| Super Chix | 100% refined peanut oil (frying); soybean oil base in mayo-based sauces and coleslaw | D 8.9g avg |
| Hooters | Fries in a peanut oil blend, with employee/allergen reports of soybean oil mixed in at many locations; buffalo-style sauces are soybean-oil margarine based. | F 13.3g avg |
| Angry Chickz | Soybean and peanut oil, as a blend - the chain's own words. Angry Chickz's July 2026 nutrition sheet (angrychickz.com/nutrition-and-allergen-information) states "Our kitchens use… | F 21.7g avg |
See also
Other oils: Canola Oil · Soybean Oil · Butter or Olive Oil · Chains frying in beef tallow live on Tallow Watch · Why undisclosed means soybean: the distributor oils page · Full grades: the Seed Oil Index.