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 Easy Chicken Tetrazzini?

You need 12 ingredients. The key ingredients include: 1 package (16 ounces) uncooked spaghetti, 2 tablespoons butter, 1 medium green pepper, chopped, 1 medium onion, chopped, and more.

Is Easy Chicken Tetrazzini suitable as meat & poultry?

Yes, Easy Chicken Tetrazzini falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Easy Chicken Tetrazzini?

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

Easy Chicken Tetrazzini Recipe

Name: Easy Chicken Tetrazzini
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 package (16 ounces) uncooked spaghetti; 2 tablespoons butter; 1 medium green pepper, chopped; 1 medium onion, chopped; 2 cups cubed cooked chicken; 2 cans (4 ounces each) mushrooms, drained; 1 jar (2 ounces) diced pimiento, drained; 1 can (10-3/4 ounces) condensed cream of mushrooms soup, undiluted; 2 cups whole milk; 1/2 teaspoon garlic powder; 1/2 teaspoon salt; 1 to 1-1/2 cups shredded cheddar cheese

Try this homemade Easy Chicken Tetrazzini recipe the whole family will love. Made with spaghetti, butter, green pepper and onion. Easy step-by-step inst…

This Easy Chicken Tetrazzini relies on simple, everyday ingredients such as butter, medium green pepper, chopped, medium onion, chopped and cubed cooked chicken. It comes together quickly and makes 4 servings, at about 505 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

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
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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Easy Chicken Tetrazzini

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions