Cheesy Meatball Subs

These Cheesy Meatball Subs are so easy to make and delicious. I baked the meatballs in the oven and tossed them in the slow cooker with homemade Spaghetti Sauce.
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Ingredients

Meatballs:

  • 2 pounds of ground beef
  • 1 cup Italian bread crumbs
  • 2 tablespoons grated Parmesan cheese
  • 1 teaspoon black pepper
  • 1/2 teaspoon salt
  • 2 eggs (lightly beaten)
  • Sub Rolls
  • Mozzarella cheese

Spaghetti Sauce:

  • 3/4 cup chopped onion
  • 1 tbsp minced garlic clove
  • 1 6-ounce can tomato paste
  • 3 cups water
  • 1 tbsp sugar
  • 1-1/2 tsp salt
  • 1-1/2 tsp dried oregano
  • 1/2 tsp pepper
  • 2 bay leafs
  • 2 15-ounce can tomato sauce

Instructions

  1. Add all ingredients to a slow cooker.
  2. Cook on low at least 3 to 4 hours.
  3. While sauce is cooking, mix together the ground beef, Parmesan cheese, pepper, salt, bread crumbs, and eggs.
  4. Use an ice cream scoop and place the meatballs on a large baking sheet that has been lightly sprayed with a cooking spray.
  5. Bake the meatballs at 400 degrees for 20 minutes.
  6. Remove the meatballs from the oven and place them into the slow cooker with spaghetti sauce.
  7. Continue cooking the 3 to 4 hours.
  8. Add a layer of Mozzarella cheese to the bottom of the sub roll.
  9. Add the meatballs and spaghetti sauce on top of the Mozzarella cheese.
  10. Add additional cheese on top of the meatballs.
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