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Meatball Sub Casserole

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Meatball Sub Casserole transforms your favorite sandwich into a cheesy, baked comfort food classic. With layers of toasted bread, creamy spread, juicy meatballs, marinara, and melty cheese, this casserole is perfect for feeding a crowd or enjoying a cozy family dinner.

Ingredients

  • 1 lb fully cooked meatballs (frozen or homemade)
  • 1 loaf French or Italian bread, sliced into 1-inch thick pieces
  • 4 oz cream cheese, softened
  • 1/4 cup mayonnaise or sour cream
  • 1 tsp Italian seasoning
  • 1/2 tsp garlic powder
  • 2 cups shredded mozzarella cheese, divided
  • 1 1/2 cups marinara sauce
  • 1/4 cup grated Parmesan cheese
  • 1 tbsp olive oil or cooking spray
  • Optional: fresh parsley or basil, red pepper flakes

Instructions

  1. Preheat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
  2. Arrange sliced bread in a single layer in the baking dish and toast in the oven for 5–7 minutes until lightly crispy.
  3. In a bowl, mix cream cheese, mayonnaise (or sour cream), Italian seasoning, and garlic powder.
  4. Spread cream cheese mixture over the toasted bread.
  5. Sprinkle half of the mozzarella over the cream cheese layer.
  6. Arrange cooked meatballs over the top and pour marinara sauce evenly over them.
  7. Top with remaining mozzarella and Parmesan cheese.
  8. Cover with foil and bake for 25 minutes. Remove foil and bake for another 10–15 minutes until bubbly and golden.
  9. Let rest 5–10 minutes before serving. Garnish with fresh parsley or basil if desired.

Notes

  • Use garlic bread instead of plain bread for more flavor.
  • Make ahead and refrigerate overnight before baking.
  • For a saucier dish, add extra marinara to taste.
  • Try using provolone or a cheese blend for added richness.

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