Cheesy Meatball Subs are a classic comfort food that’s hard to beat! Imagine juicy meatballs seasoned just right, nestled inside a soft sub roll, then smothered in gooey melted cheese and maybe a splash of marinara sauce for that perfect touch of tanginess. The combination of warm bread, cheesy goodness, and tender meatballs makes every bite feel like a little celebration.
I love making these because they’re quick to pull together but always impress everyone around the table. One of my favorite tricks is to use provolone or mozzarella cheese until it gets all melty and stretchy – that’s how you know you’re in for a treat. Sometimes I add a sprinkle of fresh basil or a pinch of red pepper flakes to give it a tiny kick.
These sandwiches are great for busy weeknights or casual get-togethers when you want something filling and fun without too much fuss. I often serve them with a side of crispy fries or a simple green salad, and honestly, the leftovers make for an easy and tasty lunch the next day. There’s just something about the melty cheese and savory meatballs that always hits the spot!
Key Ingredients & Substitutions
Ground Beef & Pork: I like using a combo of beef and pork for juicy, flavorful meatballs. If you want a leaner option, go for all ground turkey or chicken. Just watch the cooking time as lean meats dry out faster.
Breadcrumbs: Regular or Italian-seasoned breadcrumbs work well to bind the meatballs. For a gluten-free version, try crushed gluten-free crackers or oats.
Parmesan Cheese: This adds a nice salty depth. You can use Pecorino Romano or skip the cheese if dairy-free.
Marinara Sauce: Store-bought is fine, but homemade marinara makes the sandwich taste extra fresh. You can also use pizza sauce as a shortcut.
Sub Rolls: Soft yet sturdy rolls are key for holding all the fillings. French baguettes can work, but they may be too crusty. Try to avoid overly soft sandwich bread as it might get soggy.
Cheese: Provolone and mozzarella melt nicely and have mild flavors. Feel free to use cheddar for a sharper taste or vegan cheese if you want dairy-free.
How Can I Make Tender, Well-Cooked Meatballs Without Them Falling Apart?
Meatballs can be tricky if they dry out or crumble. To keep them juicy and intact, follow these tips:
- Mix ingredients gently; overworking meat makes it tough.
- Use an egg and breadcrumbs to hold the meat together.
- Sear meatballs in a hot pan first to form a crust, locking in juices.
- Bake in sauce to finish cooking—this keeps them moist.
- Avoid overcooking; check for doneness after 15 minutes.
These steps help you get meatballs that stay round, juicy, and full of flavor inside your subs.

Equipment You’ll Need
- Large mixing bowl – for combining your meatball ingredients gently and evenly.
- 12-inch skillet – perfect for searing meatballs to lock in flavor before baking.
- Baking dish – to bake meatballs in marinara sauce, keeping them moist and tender.
- Broiler or oven – helps melt cheese perfectly and toast the sub rolls for that crisp bite.
- Spatula or tongs – easy to turn meatballs without breaking them apart during cooking.
Flavor Variations & Add-Ins
- Try turkey or chicken meatballs for a lighter sandwich that still stays juicy when cooked properly.
- Swap mozzarella with pepper jack cheese to add a mild spicy kick to the subs.
- Mix in chopped fresh basil or parsley into the meatballs for a fresh herbal note.
- Add sautéed bell peppers or onions inside the sandwich for extra crunch and sweetness.
How to Make Cheesy Meatball Subs
Ingredients You’ll Need:
For the Meatballs:
- 1 lb ground beef (or a mix of beef and pork)
- 1/4 cup breadcrumbs
- 1/4 cup grated Parmesan cheese
- 1 large egg
- 2 cloves garlic, minced
- 1/4 cup finely chopped onion
- 1 tsp dried Italian seasoning
- 1/2 tsp salt
- 1/2 tsp black pepper
For the Subs:
- 1 cup marinara sauce (store-bought or homemade)
- 4 sub rolls or hoagie buns
- 6-8 oz provolone or mozzarella cheese, sliced or shredded
- 2 tbsp olive oil (for cooking meatballs)
How Much Time Will You Need?
This recipe takes about 20 minutes to prepare and cook the meatballs, plus 15 minutes to bake them. Toasting the rolls and melting the cheese will add another 5 minutes. So, expect around 40 minutes total from start to finish. It’s a quick and hearty meal!
Step-by-Step Instructions:
1. Prepare the Meatball Mixture:
In a large bowl, mix the ground beef, breadcrumbs, Parmesan cheese, egg, minced garlic, chopped onion, Italian seasoning, salt, and pepper. Stir gently until everything is just combined. Avoid overmixing to keep the meatballs tender.
2. Shape and Brown the Meatballs:
Form the mixture into meatballs about 1.5 inches wide. Heat olive oil in a skillet over medium heat. Add the meatballs and cook, turning occasionally, until they are browned on all sides but not fully cooked, about 5 to 7 minutes.
3. Bake the Meatballs in Sauce:
Place the browned meatballs into a baking dish and pour marinara sauce over them. Bake in a preheated oven at 375°F (190°C) for 15 minutes until fully cooked through.
4. Toast the Rolls and Assemble:
While the meatballs are baking, slice the sub rolls lengthwise, leaving one side attached to create a hinge. Toast them lightly under the broiler or in a toaster oven until golden brown.
Once the meatballs are ready, place three meatballs in each roll, spoon some marinara sauce over them, and top with the sliced or shredded cheese.
5. Melt the Cheese and Serve:
Place the assembled subs on a baking sheet and broil for 2 to 3 minutes until the cheese has melted and is bubbly. Serve warm immediately and enjoy your delicious cheesy meatball subs!
Can I Use Frozen Meatballs for This Recipe?
Yes! If using frozen meatballs, thaw them completely in the fridge overnight or use the defrost setting on your microwave. Then bake them in marinara sauce for about 15 minutes until heated through before assembling your subs.
How Can I Store Leftover Meatball Subs?
Wrap leftover subs tightly in foil or place in airtight containers and refrigerate for up to 3 days. Reheat in the oven or toaster oven to keep the bread crispy and cheese melty.
What Can I Substitute for Provolone or Mozzarella Cheese?
You can use cheddar, Swiss, or pepper jack cheese depending on your taste preferences. For a dairy-free option, try vegan cheese slices that melt well.
Is It Possible to Make This Recipe Ahead of Time?
Absolutely! Prepare the meatballs and sauce in advance and refrigerate up to 2 days. Assemble and broil the subs just before serving for the best taste and texture.



