How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Meatball Sub Casserole?

You need 13 ingredients. The key ingredients include: 1/3 cup chopped green onion, to taste, 1/4 cup seasoned bread crumbs, 3 tablespoons grated parmesan cheese, 1 lb ground beef, and more.

Is Meatball Sub Casserole suitable as meat & poultry?

Yes, Meatball Sub Casserole falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Meatball Sub Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Meatball Sub Casserole Recipe

Name: Meatball Sub Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
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

Try this homemade Meatball Sub Casserole recipe the whole family will love. Made with green onion, bread crumbs, parmesan cheese and ground beef. Easy s…

This Meatball Sub Casserole relies on simple, everyday ingredients such as seasoned bread crumbs, grated parmesan cheese, ground beef and cream cheese, softened. It comes together quickly and makes 4 servings, at about 975 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Meat & Poultry

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

Saved locally in your browser — visible only to you.

Meatball Sub Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions