This isn't a direct answer, but Gibble's potato chips are cooked in lard. They're based in PA, but are sold in stores here in VA. They even have an explanation on the back of the bag explaining how vegetable oil is made and why they don't use it.

Northern Spy in the East Village NYC has duck fat fries. They're aight. http://www.northernspyfoodco.com/menus/dinner/

I was pleasantly surprised to find excellent chips fried in Lard in the food/pantry car on the North east service on Amtrak trains. The train I was specifically on was the New York - Toronto service that goes through Albany. Next time anyone takes Amtrak to anywhere - check these out.

There is a food cart in Portland OR called Lardo that uses lard for fries etc

Not aroung here, but I thought you'd like this: http://beeftallow.com/uses-of-beef-tallow_tallow-taste-the-sacrosanct-link-between-french-fries-and-beef-tallow_54.html

I don't know where you live, but there is a place in San Diego called Sessions Public that has duck fat fries. I think that is going to be easier to find than beef tallow. If you do a search for "duck fat fries" on Yelp, maybe something will come up. I found several places that serve them based on reviews.

Are you still limited to five fries if they're cooked in tallow? :)

I make ours at home (my mate has an addition to fries and potato chips -- so if she has to have them, I make them at home, and limit it to the weekends when I have the time to make them the best way I can -- usually in lard or tallow or some combination thereof, sometimes with a little coconut oil thrown in just for the flavor).

If you're in the States, I don't think most places are -allowed- to cook in saturated fats any more. Most of them use liquid canola oil (now that a lot of places have banned partially hydrogenated plastic-fats) -- cheap and nasty.

McDonlads used to. Gosh, I wish they still did. I'd be in their everyday.

There's a chain called Elevation Burger- they fry in olive oil, they use grassfed beef, and they do lettuce wraps! I'm not sure if they are nationwide; there are a couple locations in the Northern VA area. Olive oil ain't ideal for cooking, but it's probably an improvement over what's in most fryers.

Along the same lines, I'd like to identify restaurants that serve sweet potato fries or chips cooked in coconut oil. For those of us needing to increase intake of coconut oil this is a win-win option.

This is a really old question, but thought I would mention that Outback Steakhouse uses beef tallow. I first read it on Wikipedia and then confirmed with the cooks at my Outback.

I've been wondering that here in the UK. A few years back one of the daily papers came out with a list of fish and chop shops that cook in beef dripping (as it is called here) and the list was quite extensive.

Wish they would do it again! Or better still, have an online list which could be update regularly.

Popeyes Chicken. However I would check the store before going. Also might not be pure... (may have vegetable oil added).

this place in portland on killingsworth near interstate uses tallow to make british style"chips" (thick fries)

http://thefishandchipshop.com/

Yes! We recently discovered a little hole-in-the-wall place in San Antonio called RoMo's. They serve "duckodent" fries fried in duck fat!

Actually Greensquare Tavern's fries are fried in Beef fat

Smokey J's BBQ in South Berkeley has beef tallow fries. $2.50 for a huge order.

http://www.yelp.com/biz/smokey-js-bbq-berkeley

Why are you eating fries? Eat Vegetables and animals...