Italian Meatball Subs

5 from 2 votes

Hearty, saucy, and irresistibly cheesy—these Italian Meatball Subs start with our family’s beloved polpette cooked gently in rich tomato sugo. Tucked into warm crusty rolls and melted under a blanket of provolone… this is the kind of Italian-American comfort that still holds true to its Italian roots.

Prep Time20

Cook Time40

Total Time1

Course: Dinner

Cuisine: Italian/ American

Keyword: Italian meatballs, Italian sandwich, meatball subs

Servings: servings

Author: Elena Davis

Ingredients

For the Polpette (Meatballs)

1 pound 80–85% lean ground beef
2 slices stale bread
½ cup milk
½ cup Parmigiano Reggiano finely grated
1 egg beaten
3 tablespoons fresh parsley minced
Optional: 1 tablespoon fresh garlic minced
Salt & black pepper to taste
Breadcrumbs for rolling the meatballs
Extra Parmigiano for serving

For the Sugo (Tomato Sauce)

1 28-oz can crushed tomatoes, good quality
½ medium onion diced
2 tablespoons extra-virgin olive oil
5 fresh basil leaves whole

For the Subs

5 crusty sub rolls or hoagie rolls split
10 slices provolone or mozzarella
½ cup Parmigiano finely grated
Fresh basil torn (optional)

Instructions

Prepare the Meatball Base

In a small bowl, soak the stale bread in the milk until softened. Squeeze out excess liquid and tear the bread into small pieces.
In a large mixing bowl combine: soaked bread, ground beef, Parmigiano, egg, parsley, garlic (if using), salt, and pepper.
Mix gently with your hands just until combined—don’t overwork the mixture.
Roll into about 15 meatballs, each the size of a golf ball. Lightly roll each one in breadcrumbs for a soft, tender exterior.

Start the Sugo

In a large, wide pot, warm the olive oil over medium heat.
Add the diced onion and cook until soft and translucent, 5–7 minutes.
Stir in the crushed tomatoes and whole basil leaves. Season lightly with salt.
Bring to a gentle simmer.

Cook the Meatballs in the Sauce

Nestle the uncooked meatballs directly into the simmering sauce.
Cover with a lid, leaving a small vent, and simmer on low for 35–40 minutes, gently stirring occasionally.
The meatballs will cook through, stay incredibly tender, and flavor the sauce beautifully.

Assemble the Subs

Preheat the oven to 400°F.
Place the split rolls on a baking sheet. Lay 2 slices of provolone or mozzarella inside each roll.
Warm in the oven until the cheese begins to melt, 3–5 minutes.
Add 2–3 meatballs to each roll with a generous spoonful of sauce.
Sprinkle with Parmigiano and return to the oven for another 2–3 minutes if you want everything extra bubbly.
Garnish with fresh basil and serve warm.

Notes

Elena's Tips:

Soak the bread fully. This is key to Nonna-style, pillowy polpette.
Don’t overmix the meat. Gentle mixing keeps the texture soft and delicate.
Cook meatballs in the sauce, not separately. They stay tender and flavor the sugo at the same time—this is what makes them stand out.
Use good crusty rolls. Soft inside, sturdy outside—so they can absorb sauce without collapsing.
Melt cheese directly in the roll first. This creates a “cheesy barrier” that keeps the bread from getting soggy.
Warm the subs before serving. A quick oven melt brings the whole sandwich together: saucy, melty, irresistible.

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