Pinspiration: Firehouse Subs testing sandwich in Knoxville market

KNOXVILLE, Tenn. (WVLT)- Firehouse Subs is testing a new sub in the Knoxville market. It's called the Captain's Roast Beef.

James Blake visited the Local 8 studios to show us how they make the sandwich.

Roast beef
Caramelized onion
Melted Provolone
Roasted garlic aioli

Firehouse toast their bread and then steam the meat and ingredients separately to keep from a soggy sandwich. Add the aioli and spinach to complete the sandwich.

Firehouse Subs recently made a 20,000 dollar donation in fire equipment to the Pigeon Forge Fire Department .