# What You'll Need:
→ Protein & Pasta
01 - 3 cups cooked turkey, shredded or diced
02 - 12 oz spaghetti or linguine
→ Vegetables
03 - 8 oz cremini or white mushrooms, sliced
04 - 1 medium yellow onion, finely chopped
05 - 2 cloves garlic, minced
06 - 1 cup frozen peas (optional)
→ Dairy
07 - 4 tbsp unsalted butter
08 - 1/4 cup all-purpose flour
09 - 2 cups whole milk
10 - 1/2 cup heavy cream
11 - 1 cup grated Parmesan cheese
12 - 1 cup shredded mozzarella or Gruyère cheese
→ Liquids
13 - 1/2 cup dry Chardonnay or other dry white wine
14 - 1 cup low-sodium chicken or turkey broth
→ Seasonings
15 - 1/2 tsp dried thyme
16 - 1/4 tsp freshly grated nutmeg
17 - 1/2 tsp kosher salt, plus more to taste
18 - 1/4 tsp black pepper
→ Topping
19 - 1/2 cup panko breadcrumbs
20 - 2 tbsp unsalted butter, melted
21 - 2 tbsp grated Parmesan cheese
# Steps to Follow:
01 - Preheat oven to 375°F. Grease a 9x13-inch baking dish.
02 - Boil salted water and cook spaghetti until just al dente. Drain and set aside.
03 - In a large skillet over medium heat, melt butter. Add onions and sauté for 2 minutes, then add mushrooms and cook until softened and lightly browned, about 5 minutes. Stir in garlic and cook 1 minute more.
04 - Sprinkle flour over vegetables and cook, stirring, for 2 minutes.
05 - Gradually whisk in white wine, scraping up browned bits. Simmer for 2 minutes.
06 - Whisk in broth, milk, and cream until smooth. Bring to a simmer and cook until slightly thickened, about 3–4 minutes.
07 - Stir in thyme, nutmeg, salt, and pepper. Remove from heat.
08 - Fold in cooked turkey, peas if using, and drained pasta. Mix in Parmesan and mozzarella or Gruyère cheese until evenly combined.
09 - Pour mixture into the prepared baking dish, spreading evenly.
10 - Combine panko, melted butter, and Parmesan cheese in a small bowl. Sprinkle evenly over the casserole.
11 - Bake 25 to 30 minutes until bubbly and golden on top. Let rest for 10 minutes before serving.