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 Spaghetti Casserole(Oven: 350~ For 15 To 20 Minutes. Yields 6 Servings.) ?

You need 14 ingredients. The key ingredients include: 1 1/2 lb. ground chuck, 1 bell pepper, chopped, 1 large onion, chopped, 1/2 c. chopped celery, and more.

Is Spaghetti Casserole(Oven: 350~ For 15 To 20 Minutes. Yields 6 Servings.) suitable as pasta & noodles?

Yes, Spaghetti Casserole(Oven: 350~ For 15 To 20 Minutes. Yields 6 Servings.) falls under the Pasta & Noodles category and is a great choice for this type of meal.

How do I store leftover Spaghetti Casserole(Oven: 350~ For 15 To 20 Minutes. Yields 6 Servings.) ?

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

Spaghetti Casserole(Oven: 350~ For 15 To 20 Minutes

Name: Spaghetti Casserole(Oven: 350~ For 15 To 20 Minutes. Yields 6 Servings.)
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 1/2 lb. ground chuck; 1 bell pepper, chopped; 1 large onion, chopped; 1/2 c. chopped celery; 2 cloves garlic (may use garlic salt); 1 (10 3/4 oz.) can cream of mushroom soup; 1/2 can water; 1 (16 oz.) can tomatoes; 2 Tbsp. chili powder; salt and pepper to taste; 1 (6 to 8 oz.) pkg. spaghetti noodles; 1/2 c. sharp cheese, cut in chunks; 1 (4 oz.) jar olives; 3/4 c. grated cheese

Try this homemade Spaghetti Casserole(Oven: 350~ For 15 To 20 Minutes. Yields 6 Servings.) recipe the whole family will love. Made with ground chuck, b…

This Spaghetti Casserole(Oven: 350~ For 15 To 20 Minutes. Yields 6 Servings.) relies on simple, everyday ingredients such as ground chuck, bell pepper, chopped, large onion, chopped and chopped celery. It comes together quickly and makes 4 servings, at about 429 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

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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Spaghetti Casserole(Oven: 350~ For 15 To 20 Minutes. Yields 6 Servings.)

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions