Chicken Tetrazzini

5 from 30 votes

Chicken Tetrazzini is an easy make ahead dinner that is full of comfort. Made with a creamy delicious sauce and baked with spaghetti and chicken, your family will devour this classic dinner.

Prep Time20

Cook Time30

Total Time50

Course: Main Course

Cuisine: American

Keyword: casserole

Servings: servings

Calories: 597kcal

Author: Lisa Longley

Ingredients

16 ounces uncooked spaghetti (453.6 grams)
8 tablespoons unsalted butter (113 grams)
16 ounces mushrooms chopped small (453.6 grams)
1/3 cup all purpose flour (40 grams)
2 cups chicken stock (453.5 grams or 473.2 ml)
1 1/4 cup milk (283.75 grams or 295.7 ml)
1 teaspoon garlic powder
2 teaspoon onion powder
1 teaspoon kosher salt
1/2 teaspoon black pepper
1 cup sour cream (227 grams)
2 cups mozzarella cheese divided (226 grams)
2 cups cooked chicken shredded and cut into bite sized pieces (read all my tips and tricks for keeping chicken on hand) (141.7 grams)
1/4 cup Parmesan shredded (25 grams)

Instructions

Preheat the oven to 350 degrees Fahrenheit. Spray a 9 by 13 inch baking dish with cooking spray and set aside.
Bring a large pot of water to a boil. Season the water with 1 teaspoon of kosher salt (or 1/2 teaspoon table salt). Add the spaghetti and cook according to package instrucitons.
16 ounces uncooked spaghetti
While the spaghetti is cooking, melt butter in a large skillet. Add the mushrooms and saute until they are soft, about 4 to 6 minutes.
8 tablespoons unsalted butter, 16 ounces mushrooms
Whisk in the flour and then very slowly whisk in the chicken stock. Add just a few tablespoons at a time, whisking to combine it, until it is completely added. The more you add the more quickly you can go. The whole process should take about a minute or two.
1/3 cup all purpose flour, 2 cups chicken stock
Whisk in the milk, garlic powder, onion powder, salt and pepper.
1 1/4 cup milk, 1 teaspoon garlic powder, 2 teaspoon onion powder, 1 teaspoon kosher salt, 1/2 teaspoon black pepper
Bring to a simmer, and then cook, stirring often, over low heat for 5 minutes. Stir in the sour cream and 1 cup mozzarella, taste and add more salt and pepper if needed.
1 cup sour cream, 2 cups mozzarella cheese
Add cooked spaghetti and chicken to the prepared baking dish. Stir in the sauce. Top with remaining mozzarella and Parmesan cheese. Cover and bake for 30 minutes.
2 cups cooked chicken, 1/4 cup Parmesan, 2 cups mozzarella cheese

Video

Nutrition