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Baked Chicken Tetrazzini in casserole dish with spoon.
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Old Fashioned Chicken Tetrazzini Recipe

This creamy chicken casserole is a meal the entire family will love! It's delicious and loaded with tender, juicy chicken and pasta in a cheesy rich sauce.
Course Pasta
Cuisine Italian
Prep Time 15 minutes
Cook Time 1 hour
Total Time 1 hour 15 minutes
Servings 8
Calories 579kcal
Author Deb Clark

Ingredients

  • 3-4 cups cooked boneless skinless chicken breasts or turkey cubed or shredded
  • 12 ounces thin spaghetti broken in half, cooked to al dente
  • 6 tablespoons butter
  • 8 ounces sliced mushrooms
  • ¼ cup all purpose flour
  • 1 cup milk
  • 1 ¼ cup shredded Monterey jack cheese divided reserve ¼ cup for top of casserole.
  • 2 cups chicken stock
  • ¼ cup sherry substitute with chicken broth if sherry isn't available.
  • cup grated parmesan cheese
  • ¾ teaspoon salt
  • ½ teaspoon black pepper

Instructions

  • Pre heat oven to 350 degrees. Butter baking dish or spray with non-stick spray, set aside.
  • Break the spaghetti in half. Cook pasta according to package directions, drain well. Put the cooked spaghetti in buttered baking dish, set aside.
  • In a large skillet over medium heat, saute' mushrooms in butter. Remove when cooked, leaving butter in the pan. Add flour to the butter and cook this mixture (called a roux) for a couple of minutes until it becomes a golden amber color.
  • Next add milk, chicken broth. Whisk until smooth. Add in the jack cheese and whisk well. Continue stir until sauce has thickened. Add the chicken, sherry and cooked mushrooms. Heat through.
  • Pour the creamy sauce over the cooked pasta, mix to combine. Sprinkle the top of the casserole with parmesan cheese and remaining jack cheese.
  • Cover and bake for 45 minutes. Remove foil the last 15 minutes of baking for the top to turn golden brown.

Notes

Whole milk or 2% is best for this recipe. Heavy cream is just too rich. 
Topping with Panko bread crumbs makes for a wonderful crust on top of the casserole!
This recipe is really easy to make! Once you try this recipe, and make this homemade cheese sauce you'll never use cream of chicken soup for this again!

Nutrition

Calories: 579kcal | Carbohydrates: 23g | Protein: 73g | Fat: 20g | Saturated Fat: 10g | Cholesterol: 199mg | Sodium: 1265mg | Potassium: 932mg | Fiber: 1g | Sugar: 2g | Vitamin A: 515IU | Vitamin C: 4.7mg | Calcium: 237mg | Iron: 2.9mg