Our thoughts: This sub is everything you want a meatball sub to be. Large, ping-pong ball-sized meatballs which were tasty and juicy. And they are covered in plenty of melty cheese.

We tried meatball subs from 5 popular sandwich chains to find out which one serves the best. Find out which one came out on top in our meatball sub taste test.

My tastebuds kept expecting something in the sandwich to be chilled and were shocked at each bite when it wasn't delivered. 6. ... a meatball sub with extra sauce and no cheese was my go-to order.

Add 3 meatballs to each of the bottom halves of the rolls. Spoon about 1/4 cup of sauce on top of each sandwich then sprinkle torn mozzarella on top. Top with the remaining hoagie roll halves.

The Chicken Parmesan Meatball Sub features savory chicken meatballs, bright marinara, shaved parmesan, melted provolone, and Italian-seasoned crispy breadcrumbs on a toasted garlic bread roll – a ...

Once you’ve found your sub soulmate, order it for just $5 on March 13 and 14 through the Firehouse Subs app or online. Their OG Firehouse Meatball was so popular, (a top-5 most ordered item), they ...