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 Baked Spaghetti Potluck Casserole?

You need 16 ingredients. The key ingredients include: 1 package (16 ounces) spaghetti, 1-1/2 pounds ground beef, 1 medium onion, chopped, 1/2 cup chopped green pepper, and more.

Is Baked Spaghetti Potluck Casserole suitable as pasta & noodles?

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

How do I store leftover Baked Spaghetti Potluck Casserole?

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

Baked Spaghetti Potluck Casserole Recipe

Name: Baked Spaghetti Potluck Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 package (16 ounces) spaghetti; 1-1/2 pounds ground beef; 1 medium onion, chopped; 1/2 cup chopped green pepper; 1 can (10-3/4 ounces) condensed cream of mushroom soup, undiluted; 1 can (10-3/4 ounces) condensed tomato soup, undiluted; 1 can (8 ounces) tomato sauce; 1 cup water; 2 tablespoons brown sugar; 1 teaspoon salt; 1 teaspoon dried basil; 1 teaspoon dried oregano; 1/2 teaspoon dried marjoram; 1/2 teaspoon dried rosemary, crushed; 1/8 teaspoon garlic salt; 1 cup shredded part-skim mozzarella cheese, divided

Try this homemade Baked Spaghetti Potluck Casserole recipe the whole family will love. Made with spaghetti, ground beef, onion and green pepper. Easy st…

This Baked Spaghetti Potluck Casserole relies on simple, everyday ingredients such as (16 ounces) spaghetti, ground beef, medium onion, chopped and chopped green pepper. It comes together quickly and makes 4 servings, at about 251 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

Brown sugar instead of white sugar adds a deeper, more caramel-like flavor.
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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Baked Spaghetti Potluck Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions