Meatball Sub Casserole

Name: Meatball Sub Casserole
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: Italian
Ingredients: 1/3 cup chopped green onion, to taste; 1/4 cup seasoned bread crumbs; 3 tablespoons grated parmesan cheese; 1 lb ground beef; 1 loaf Italian bread, cut into 1 inch slices; 8 ounces cream cheese, softened; 1/2 cup mayonnaise (not low-fat or lite); 1 teaspoon italian seasoning; 1/4 teaspoon pepper; 2 cups shredded mozzarella cheese, divided; 1 (28 ounce) jar spaghetti sauce; 1 cup water; 2 garlic cloves, minced