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 c. chopped green onions, 1/4 c. seasoned bread crumbs, 3 Tbsp. 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 c. chopped green onions; 1/4 c. seasoned bread crumbs; 3 Tbsp. grated Parmesan cheese; 1 lb. ground beef; 1 (1 lb.) loaf Italian bread, cut into 1-inch slices; 1 (8 oz.) pkg. cream cheese, softened; 1/2 c. mayonnaise; 1 tsp. Italian seasoning; 1/4 tsp. pepper; 2 c. (8 oz.) shredded Mozzarella cheese, divided; 1 (28 oz.) jar spaghetti sauce; 1 c. water; 2 garlic cloves, minced

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

This Meatball Sub Casserole relies on simple, everyday ingredients such as chopped green onions, seasoned bread crumbs, grated parmesan cheese and ground beef. It comes together quickly and makes 4 servings, at about 1045 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

1045

kcal

Calories

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

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Meatball Sub Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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