There’s no need to overthink it - just follow these five simple steps and your meatball sub will be perfectly reheated in no time!

  1. Preheat your oven to 350 degrees Fahrenheit.
  2. In a large bowl, combine ground beef, bread crumbs, salt, and pepper. Mix well and form into small balls.
  3. Place the balls on a baking sheet and bake for 15-20 minutes or until golden brown and cooked through.
  4. Serve hot with your favorite dipping sauce!

I have been buying these for years on my way home from work on route 111 in Boxoboro, MA. and they are always great. But, when we get them home they are almost cold.  Is there any trick that will make them ready-to-eat, just like I walked out of the Sub or Pizza Store? Thanks! We also have another post on – How To Reheat Subway – with lettuce and vegetables which is a slightly different method, The Best Ways to Heat Up Your Leftover Meatball Sub – How to reheat a leftover sub without losing its crunchy texture. Furthermore, I have been told that the best way to heat a sandwich like this one would be in an oven. Is there any truth behind this? Yes, the oven is a good way – but I like the broiler. If you want your reheated Italian meatball sub to be just right every single time, then follow along with our top 5 ways different ways to warm up a leftover sub so that you never again need to worry about messing up your favorite sub sandwich or leftover meatballs. This is the best and quick method to reheat a meatball sub is by using a broiler.

The Broiler Method to Reheat a Meatball sub is

This is my top choice for how to heat a leftover or cold meatball sub.

What are the top 5 ways to reheat a meatball sub sandwich in 2022

How to Reheat Meatball Sub in the Oven

Recipe for reheating meatball subs in the oven:

Preheat the oven to 375 degrees FahrenheitScape off the meatballs and tomato sauce and  put on some aluminum foil then place on a baking trayStart Baking the meatballs  until warm, about 10-15 minutes5 minutes before the meatballs are heated – add in the bread roll to warm it up

This method works best if you like your meatballs sub hot all the way through the bread roll and filling and not mushy. If you want them more moist or less heat just adjust accordingly. I would recommend using an instant-read thermometer when cooking these things. You can use the probe end to check that they’re done without having to break open the sub meatball or the whole thing.

How to Reheat a Meatball sub in the Microwave

Recipe for reheating a meatball sub in the microwave: This method works well if you are in a rush because microwaves cook food quickly and do not burn it.  The negative is that while you can bet the meatballs and tomato sauce piping hot, it is very easy to make the bread a soft mess. If you are in a hurry you can heat them all together – but I recommend separating the filling from the sub bread. You need to be careful though because once you start heating something in the microwave you can get the meatballs pretty hot. – so be careful biting into them. To reheat using the microwave, simply follow these steps:

Separate the sub filling and sauceUse a microwave-safe plateTo make the tomato sauce a go a little further add ½ tbs of water before cooking.Microwave the Meatballs with sauce and the bread high power for 60-90 seconds.Check the temperaturePlace them back, and put them in the roll, and heat for a further 30 seconds

Reassemble your meatballs and bread.  You are ready to eat.

How to Reheat a Meatball Sub in Toaster Oven

Recipe for reheating meatball subs in the Toaster Oven:

Preheat the Toaster Oven to 350 degrees Fahrenheit (not as hot as a full oven)Separate the meatballs and  tomato sauce from the bread then put it on some aluminum foil then place on the toaster oven trayHeat the meatballs  until warm, about 12 minutes4 minutes before the meatballs are ready – put back in the bread to make it hot and crispy.

This method works best if you just have one sub and the toaster ovens are not that big, But they do heat the meatballs, sauce, and bread right through give you a piping hot reheated sub. I use this technique when I am cooking for 1 or 2 people. Spice it up – You can make your homemade marinara sauce by adding some crushed tomatoes with basil leaves in them. You could even add garlic too! Ingredients: 1/2 cup extra virgin olive oil 3 cloves garlic minced 4-5 fresh basil leaves chopped fine Salt & pepper to taste

How To Reheat Meatball Sub  In The Air Fryer

I’m a real sucker for Meatballs in a sub – load it up with cheese, please!  Recently I have been experimenting on how to reheat and eat a Meatball Sub done in an air fryer.  The great thing is you can leave the whole thing together and reheat it that way. Recipe for reheating Meatball Sub – Air Fryer

How to Reheat Leftover Meatball Sub

Meatball Sub familiar problem: When you heat a leftover meatball sub in the microwave, the may bread turn soggy or mushy. But when the oven is used the bread is nice and good, maybe the meat is a little cool though.  I’ve tried heating my leftovers on both sides of the sandwich with no luck. The inside is too hot while the outside stays cool. Any ideas? How do you reheat meatball subs? You can heat them by placing them under an oven broiler or heating them in your microwave. We recommend using a paper towel to remove any excess grease from the bread before microwaving. You may also want to place them between two pieces of aluminum foil if they seem too greasy after being heated. To reheat a single leftover meatball sub the best option is to reheat it in a toaster oven at 350F degrees

 What are the best fillings and condiments to give extra flavor to a reheated meatball sub sandwich?

Mozzarella Cheese – makes it a bit like a pizza textureGarlic powder – just a light sprinkle of garlic powder is enoughRed pepper flakesProvolone cheeseItalian seasoningDried OreganoDiced Onion

So now you know the best ways on How do you reheat a Meatball Sub? – I like this for big groups served with tacos, burritos or pasta salad.