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 Pizza Spaghetti Casserole?

You need 10 ingredients. The key ingredients include: 6 oz. spaghetti, cooked and drained, 1 (15 oz.) can tomato sauce, 1 lb. ground beef, cooked and drained, 1 tsp. oregano, and more.

Is Pizza Spaghetti Casserole suitable as pasta & noodles?

Yes, Pizza Spaghetti Casserole falls under the Pasta & Noodles category and is a great choice for this type of meal.

How do I store leftover Pizza Spaghetti Casserole?

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

Pizza Spaghetti Casserole Recipe

Name: Pizza Spaghetti Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 6 oz. spaghetti, cooked and drained; 1 (15 oz.) can tomato sauce; 1 lb. ground beef, cooked and drained; 1 tsp. oregano; 1 c. chopped mushrooms; 1 (8 oz.) can tomato sauce; 1/2 c. chopped black olives; 1/2 c. chopped onions; 2 c. grated Mozzarella cheese; 4 oz. pepperoni

Try this homemade Pizza Spaghetti Casserole recipe the whole family will love. Made with tomato sauce, ground beef, oregano and mushrooms. Easy step-by-…

This Pizza Spaghetti Casserole relies on simple, everyday ingredients such as (15 oz.) can tomato sauce, oregano, chopped mushrooms and (8 oz.) can tomato sauce. It comes together quickly and makes 4 servings, at about 670 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 Pasta & Noodles

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

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

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

My Personal Notes

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Pizza Spaghetti Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions