Creamy Chicken Tetrazzini Recipe

Introduction

Creamy Chicken Tetrazzini is a comforting, cheesy pasta casserole that’s perfect for family dinners. Packed with tender chicken, spinach, and a rich, creamy sauce, it’s an easy dish that combines classic flavors with a satisfying texture.

A white casserole dish filled with creamy baked spaghetti topped with a golden brown crunchy layer, likely fried onions. The creamy noodles, mixed with green herbs and bits of browned ingredients, are lifted by a utensil held by a woman's hand with red nail polish, showing the thick, smooth sauce coating the spaghetti strands. The background has a soft white marbled texture and a blurry kitchen setting. Photo taken with an iphone --ar 4:5 --v 7

Ingredients

  • 2 large chicken breasts
  • 2 Tbsp Knorr chicken bouillon
  • 16 oz spaghetti (broken in half before boiling)
  • 2–3 Tbsp unsalted butter
  • 1 medium onion (diced)
  • 1 Tbsp minced garlic
  • 2 (10.5 oz) cans cream of chicken soup
  • 8 oz sour cream
  • 8 oz Velveeta cheese (cubed)
  • 1 cup heavy cream
  • 1½ cups reserved chicken broth
  • 1 (10 oz) frozen spinach, thawed and squeezed dry
  • 8 oz Colby Jack cheese (shredded)
  • 4 oz mozzarella cheese (shredded)
  • About 3 oz French fried onions (crushed by hand)
  • 1 tsp Tony’s Creole seasoning
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • Salt & pepper to taste

Instructions

  1. Step 1: Place chicken breasts in a large stockpot and fill it about ¾ full with water. Add the chicken bouillon. Bring to a boil and simmer until the chicken reaches 165°F, about 15–20 minutes. Remove the chicken and shred or dice it.
  2. Step 2: In the same pot with the broth, break the spaghetti noodles in half and cook until al dente. Drain, reserving at least 2 cups of the broth for later.
  3. Step 3: In a skillet or Dutch oven, melt the butter over medium heat. Sauté the diced onion with Tony’s Creole seasoning, garlic powder, onion powder, salt, and pepper until the onion is translucent, about 5–7 minutes. Add the minced garlic and cook for 1 more minute.
  4. Step 4: Pour in the heavy cream and stir in the cream of chicken soup. Add the Velveeta cubes and stir until melted. Pour in about ¾ cup of the reserved chicken broth and mix well to create a smooth sauce.
  5. Step 5: Stir in the sour cream, thawed spinach, and half of the shredded Colby Jack cheese. Add more broth as needed until the sauce is creamy and pourable, about 1½ cups total.
  6. Step 6: Preheat the oven to 350°F and spray a 9×13 inch baking dish with nonstick spray.
  7. Step 7: Layer the cooked spaghetti noodles evenly in the baking dish. Top with the shredded chicken. Pour the creamy sauce over and gently toss to coat the noodles evenly.
  8. Step 8: Sprinkle the remaining Colby Jack and mozzarella cheese over the top. Crush the French fried onions by hand and sprinkle them evenly on top.
  9. Step 9: Cover the dish with foil and bake for 20 minutes. Remove the foil and bake for another 20–25 minutes, until bubbly and golden brown on top.
  10. Step 10: Let the casserole rest for 10 minutes before serving to allow the sauce to thicken slightly.

Tips & Variations

  • Use freshly cooked chicken or rotisserie chicken instead of boiling breasts for added flavor and convenience.
  • For a lighter version, substitute sour cream with Greek yogurt and use reduced-fat cheeses.
  • Add mushrooms or bell peppers when sautéing onions for extra vegetables and flavor.
  • French fried onions add great crunch, but panko breadcrumbs with a little melted butter can be a tasty alternative.

Storage

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat covered in the oven at 350°F until warmed through, or microwave individual servings. This dish also freezes well; thaw overnight in the refrigerator before reheating.

How to Serve

The dish is a creamy casserole in a rectangular white baking dish with a red handle, placed on a white marbled surface. It has at least three visible layers: the bottom layer is a creamy, white sauce with hints of green vegetables mixed in, the middle layer shows a mix of shredded yellow and white cheese, and the top layer is a crunchy, golden-brown topping that looks like fried onions spread evenly over the surface. The textures range from creamy and smooth at the base to crispy and crumbly on top. photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I use a different pasta?

Yes, while spaghetti works well, you can substitute with linguine, fettuccine, or penne to suit your preference.

Is it possible to make this dish ahead of time?

Absolutely, you can assemble the casserole a few hours ahead or the night before. Keep it covered in the refrigerator and bake just before serving, adding extra baking time if baking straight from chilled.

Print

Creamy Chicken Tetrazzini Recipe

Creamy Chicken Tetrazzini is a comforting baked pasta casserole featuring tender chicken, spaghetti, and a rich, creamy sauce made with Velveeta, sour cream, and a blend of cheeses. Enhanced with sautéed onions, garlic, and seasoned spinach, this dish is finished with a crunchy French fried onion topping for added texture and flavor.

  • Author: Sana
  • Prep Time: 20 minutes
  • Cook Time: 55 minutes
  • Total Time: 1 hour 15 minutes
  • Yield: 8 servings 1x
  • Category: Casserole
  • Method: Baking
  • Cuisine: American

Ingredients

Scale

Chicken and Broth

  • 2 large chicken breasts
  • 2 Tbsp Knorr chicken bouillon

Pasta

  • 16 oz spaghetti (broken in half before boiling)

Sauce

  • 23 Tbsp unsalted butter
  • 1 medium onion, diced
  • 1 Tbsp minced garlic
  • 2 (10.5 oz) cans cream of chicken soup
  • 8 oz sour cream
  • 8 oz Velveeta cheese, cubed
  • 1 cup heavy cream
  • 1½ cups reserved chicken broth (plus extra as needed)
  • 1 (10 oz) frozen spinach, thawed and squeezed dry
  • 1 tsp Tony’s Creole seasoning
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • Salt & pepper to taste

Cheese Topping

  • 8 oz Colby Jack cheese, shredded (divided)
  • 4 oz mozzarella cheese, shredded

Crunchy Topping

  • About 3 oz French fried onions, crushed by hand

Instructions

  1. Cook Chicken: Place the chicken breasts in a large stockpot and fill it about ¾ full with water. Add the chicken bouillon to the water and bring it to a boil. Cook the chicken until it reaches an internal temperature of 165°F, approximately 15–20 minutes. Remove the chicken from the pot and shred or dice it into bite-sized pieces.
  2. Cook Pasta in Broth: Using the same pot with the chicken broth, crack the spaghetti noodles in half and cook them until al dente. Drain the pasta, reserving at least 2 cups of the broth to use in the sauce. About 1½ cups are typically needed, but keep extra broth on hand for adjusting the sauce consistency.
  3. Make the Sauce: In a skillet or Dutch oven, melt the unsalted butter over medium heat. Add the diced onion along with Tony’s Creole seasoning, garlic powder, onion powder, salt, and pepper. Sauté until the onion becomes translucent, about 5–7 minutes. Add the minced garlic and cook for an additional minute until fragrant. Pour in the heavy cream, then stir in the cream of chicken soup. Add the cubed Velveeta cheese and stir until melted and the sauce is smooth. Mix in about ¾ cup of the reserved chicken broth thoroughly.
  4. Finish the Sauce: Stir the sour cream into the sauce along with the thawed, squeezed dry spinach and half of the shredded Colby Jack cheese. Add more chicken broth as needed to achieve a creamy and pourable consistency, usually about 1½ cups total broth will be incorporated.
  5. Assemble the Casserole: Lightly spray a 9×13-inch baking dish with nonstick spray. Spread the cooked spaghetti noodles evenly in the dish as the base layer. Top with the shredded chicken. Pour the creamy sauce over the noodles and chicken, gently tossing everything in the dish so the noodles are fully coated with the sauce.
  6. Add Cheese and Crunchy Topping: Sprinkle the remaining shredded Colby Jack cheese and all the shredded mozzarella cheese evenly over the top. Crush the French fried onions lightly by hand and scatter about 3 ounces over the casserole’s surface for a crunchy topping.
  7. Bake: Cover the baking dish with foil and bake in a preheated 350°F oven for 20 minutes. Remove the foil and continue baking uncovered for another 20–25 minutes, or until the casserole is bubbly and the top is golden brown.
  8. Rest and Serve: Let the casserole sit for 10 minutes after baking to allow the sauce to thicken slightly before serving. This resting period ensures a creamy and luscious texture.

Notes

  • Breaking the spaghetti in half before cooking helps it fit better in the casserole dish and is easier to serve.
  • Reserving chicken broth from cooking both the chicken and pasta adds flavor and controls sauce consistency.
  • Squeezing excess moisture from thawed spinach prevents the casserole from becoming watery.
  • The French fried onion topping adds a delightful crispy texture contrast to the creamy casserole.
  • Adjust seasonings to taste as Tony’s Creole seasoning can be spicy for some palates.
  • Allowing the dish to rest after baking helps the flavors meld and thickens the sauce.

Keywords: Chicken Tetrazzini, creamy chicken pasta casserole, baked chicken pasta, cheesy chicken casserole, comfort food casserole

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