meatball sub casserole

Ingredients For meatball sub casserole

• 1/3 c

  chopped onion
• 1/4 c

  seasoned bread crumbs
• 3 Tbsp

  grated parmesan cheese
• 1 lb

  ground beef
• 1

  loaf of italian bread, cut into 1" pieces
• 8 oz

  cream cheese
• 1/2 c

  mayonnaise (not light or fat free)
• 1 tsp

  italian seasoning
• 1/4 tsp

  pepper
• 2 c

  shredded mozzarella
• 28 oz

  spaghetti sauce
• 1 c

  water
• 2 clove

  garlic, minced