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Turkey Tetrazzini

My turkey tetrazzini is super creamy, rich, and just about the most delicious thing you can make with leftover turkey!
Course Main Course
Cuisine American
Keyword leftover turkey recipes, pasta casserole recipes, tetrazzini, turkey recipes
Prep Time 40 minutes
Cook Time 25 minutes
Total Time 1 hour 5 minutes
Servings 10 servings
Calories
Author Kathleen

Ingredients

  • 8 tablespoons butter, divided
  • 2 tablespoons olive oil, divided
  • 3 cups cooked turkey, cut into cubes
  • 2 3/4 teaspoons salt, divided
  • 1 1/4 teaspoons black pepper, divided
  • 1 pound white mushrooms, sliced
  • 1 large yellow onion, finely chopped
  • 1 tablespoon garlic, minced
  • 1 tablespoon fresh thyme, chopped
  • 1/2 cup white wine
  • 1/3 cup all-purpose flour
  • 4 cups whole milk, at room temperature
  • 1 cup heavy cream, at room temperature
  • 1 cup turkey or chicken broth
  • 1/8 teaspoon nutmeg
  • 1 (8-ounce) block cream cheese, cut into cubes and at room temperature
  • 16 ounces linguine
  • 3/4 cup frozen petite peas, at room temperature
  • 1/4 cup fresh parsley finely chopped
  • 2 cups mozzarella cheese shredded
  • 1/2 cup panko breadcrumbs
  • 2-3 tablespoons parsley chopped

Instructions

  • Preheat oven to 400°F (204°C). Butter a 13x9x3-inch baking dish with 1 tablespoon of the butter; set aside.
  • In an 8-quart stockpot, add 1 tablespoon of butter and 1 tablespoon of olive oil. Stir in mushrooms (1 pound) and cook over medium-high heat until the mushrooms are golden brown and the liquid has evaporated.
  • Stir in the onion (1), garlic (1 tablespoon), and thyme (1 tablespoon) and continue to cook until the onions are translucent about 6-8 minutes. Stir in wine (1/2 cup) and cook until it evaporates about 2 minutes. Transfer the mushroom mixture to the bowl.
  • Add 3 more tablespoons of the remaining butter to the same stockpot with the heat on medium-low. Sprinkle the flour (1/3 cup) over melted butter and whisk constantly for 1-2 minutes to remove the flour taste. Remove from heat and slowly whisk in milk (4 cups), heavy cream (1 cup), and broth (1 cup) until smooth.
  • Stir in nutmeg (1/8 teaspoon), 2 teaspoons salt, and 3/4 teaspoons black pepper. Turn up the heat to high and bring to a boil. Immediately reduce to a simmer and continue to cook, whisking often, until the sauce thickens, about 9-11 minutes.
  • Add the cubes of cream cheese and whisk until it's mostly melted.
  • Cook the linguine (12 ounces) according to package instructions, in well-salted water (2 tablespoons salt), until al dente. Drain well.
  • Add the cooked turkey (3 cups) and onion mixture and drained linguine to the sauce along with the peas (3/4 cup), and parsley (1/4 cup). Mix well until the sauce coats the pasta and the mixture is well blended.
  • Place the baking dish on a rimmed baking sheet. Pour mixture into prepared baking dish. Top with cheese and dot with the remaining 3 tablespoons of butter. Sprinkle top with panko breadcrumbs (1/2 cups) and bake in preheated oven, uncovered, for about 25 minutes or until heated through and golden brown on the top.
  • Sprinkle top with parsley (2-3 tablespoons) to garnish and serve.