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Cheesy Meatball Subs with Homemade Meatballs

Cheesy Meatball Subs layer tender homemade meatballs, warm marinara, and melted cheese inside crisp, toasted hoagie rolls.

Ingredients

Scale
  • 1 pound ground beef, or a blend of ground beef and pork
  • 1/2 cup plain breadcrumbs
  • 1 large whole egg
  • 1/4 cup finely grated onion
  • 2 garlic cloves, finely minced
  • 1 teaspoon Italian herb seasoning
  • 3/4 teaspoon salt
  • 1/2 teaspoon ground black pepper
  • 2 cups prepared marinara sauce
  • 4 hoagie rolls or sturdy sub buns
  • 1 1/2 cups shredded mozzarella
  • 4 optional slices of provolone
  • 1/4 cup finely grated Parmesan
  • 1 tablespoon optional butter, for crisping the rolls
  • Fresh basil or parsley, optional, for finishing

Instructions

  1. Set the oven to 400°F (200°C) and cover a baking sheet with parchment paper.
  2. Place the ground meat, breadcrumbs, egg, grated onion, garlic, Italian seasoning, salt, and black pepper in a large bowl. Fold everything together gently until evenly combined.
  3. Form the mixture into meatballs measuring about 1 to 1 1/2 inches across, then arrange them on the prepared pan.
  4. Bake the meatballs for 18 to 20 minutes, until browned and fully cooked. For a stovetop option, brown them in a skillet over medium heat, rotating them to cook each side.
  5. Heat the marinara in a wide saucepan until it begins to simmer softly. Add the cooked meatballs and let them cook in the sauce for 10 to 15 minutes.
  6. Slice each roll lengthwise while keeping one edge attached. Brush the bread with butter, if using, and toast it for 3 to 5 minutes until the surface feels lightly crisp.
  7. Divide the sauced meatballs among the rolls and spoon additional marinara over the filling.
  8. Scatter mozzarella over each sandwich and add a slice of provolone, if desired.
  9. Broil the assembled subs for 2 to 3 minutes, watching closely, until the cheese melts and develops bubbling spots.
  10. Finish with Parmesan and optional fresh basil or parsley, then serve while hot.

Notes

  • Handle the meat mixture lightly to help the cooked meatballs remain tender.
  • Keep assembled sandwiches or separate components refrigerated in airtight containers for up to 3 days.
  • Cooked meatballs and marinara may be frozen together for up to 3 months.
  • For the best reheated texture, warm the meatballs in their sauce, fill fresh rolls, and broil after adding the cheese.
  • To reduce sogginess, toast the rolls before filling and avoid adding more sauce than the bread can hold.

Nutrition

Keywords: Cheesy Meatball Subs, homemade meatballs, meatball sandwiches, toasted hoagie rolls, mozzarella meatball subs