Skillethead Interview with Borough Furnace

This week, I’m excited to share with you my interview with Liz Seru, co-founder of Borough Furnace, a cast-iron cookware manufacturing company.

While some foundries stick with tradition, Borough Furnace has embraced change, resulting in a sleek line of cast iron you won’t find anywhere else.

Here are a few neat facts about Borough Furnace:

— Co-founder Liz Seru is one of only a handful of women to run a cast-iron manufacturing company in the U.S.
— Borough Furnace’s initial manufacturing process was designed to be “no-waste.” They even utilized used cooking oil in their furnace!
— Borough Furnace is home to the only enameled cast-iron cookware product manufactured in the U.S.

What’s covered in the following video (with time stamp):

— How Liz Seru and husband John Truex came to start a cast-iron manufacturing company (2min)
— Their unique approach to their manufacturing process (4min)
— Why they make all their cookware personally (with only one other employee!) (8:30min)
— How they came to be the only manufacturer in the US to make their own enameled Dutch oven (11min)
— A peek at Borough Furnace’s unique skillet design (13:30min)
— Stats on weight and price for skillets and the Dutch oven (18min and 20:30min)
— A look at their famous enameled Dutch oven (19min)
— What’s next for Borough Furnace (27min)

Check out Borough Furnace’s full line of seasoned cast-iron cookware, along with their enameled Dutch oven, at

And be sure to subscribe to the Modern Cast Iron YouTube Playlist so you’ll have access to all the interviews I’ve conducted as I researched the art of collecting and restoring cast iron for my upcoming book, Skilletheads (Red Lightning Books, 2022).

Related Posts:

Skillethead Interview with Marquette Castings

Skillethead Interview with Stargazer Cast Iron

Skillethead Interview with Smithey Ironware Co.

Skillethead Interview with Orphaned Iron

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Author: Ashley L Jones

I love encouraging people, whether that means digging into the Bible or making a homemade meal in cast iron. Check out the About section of my blog ( for more details. Thanks for stopping by!

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