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Easy Chicken Tetrazzini

This Easy Chicken Tetrazzini is the ultimate comfort food pasta casserole. Creamy, garlicky, and loaded with cheese, it’s a nostalgic and cozy dish perfect for busy weeknights or family gatherings. Using rotisserie chicken and simple pantry ingredients, you can have this baked to bubbly perfection in under an hour.
Prep Time10 minutes
Cook Time35 minutes
Total Time45 minutes
Course: Dinner
Cuisine: American
Keyword: chicken tetrazzini, comfort food casserole, creamy pasta bake, easy chicken casserole
Servings: 8
Calories: 610kcal

Ingredients

For the Pasta and Chicken:

  • 16 ounces linguini or fettuccini, spaghetti, bucatini, etc.
  • 1/4 cup butter softened, for buttering the casserole dish
  • 1 rotisserie chicken shredded
  • 2 cups mozzarella cheese shredded
  • 1 cup cheddar cheese shredded
  • 1/4 cup Parmesan cheese grated
  • For the Tetrazzini Sauce:
  • 2 10.5-ounce cans cream of chicken condensed soup
  • 1 8-ounce block cream cheese, softened
  • 5 garlic cloves minced
  • 1 cup sour cream
  • 1 ½ cups chicken broth
  • 1 teaspoon dried parsley plus more for topping
  • ½ teaspoon black pepper
  • 1 teaspoon Italian seasoning

Instructions

  • Preheat oven to 375°F (190°C).
  • Cook the linguini to al dente according to package instructions. Drain and set aside.
  • In a large mixing bowl, whisk together the cream of chicken soup, softened cream cheese, minced garlic, sour cream, chicken broth, parsley, pepper, and Italian seasoning until smooth.
  • Stir in the shredded rotisserie chicken, cooked linguini, and half of the shredded mozzarella and cheddar cheeses. Toss to evenly coat the pasta and chicken in the sauce.
  • Butter the bottom and sides of a 9x13-inch casserole dish. Spread the pasta mixture evenly into the dish.
  • Sprinkle the remaining mozzarella, cheddar, and Parmesan cheeses over the top. Garnish with additional dried parsley.
  • Bake for 35 minutes, or until bubbly and golden brown on top.
  • Optional: Serve with a sprinkle of seasoning salt, red pepper flakes, or freshly grated Parmesan if desired.

Notes

For added flavor, stir in sautéed mushrooms or spinach.
This pairs beautifully with warm dinner rolls, Texas toast, or a side salad and steamed broccoli.
Leftovers store well in an airtight container in the refrigerator for up to 3 days. Reheat gently in the oven or microwave.