# What You'll Need:
→ Poultry & Dairy
01 - 2 cups cooked shredded turkey or chicken
02 - 1 cup whole milk
03 - ½ cup sour cream
04 - ¾ cup grated parmesan cheese, divided
05 - 1 cup shredded mozzarella cheese
→ Pasta
06 - 8 oz cooked spaghetti or linguine, drained
→ Vegetables
07 - 1 cup frozen peas, thawed
08 - ½ small yellow onion, finely chopped
09 - 2 cloves garlic, minced
→ Sauce & Seasonings
10 - 2 tbsp unsalted butter
11 - 2 tbsp all-purpose flour
12 - ½ tsp salt
13 - ¼ tsp black pepper
14 - ¼ tsp dried thyme
15 - ¼ tsp ground nutmeg (optional)
→ Topping
16 - ½ cup panko breadcrumbs
17 - 2 tbsp melted butter
18 - ¼ cup grated parmesan cheese
# How To Make It:
01 - Preheat oven to 400°F. Lightly grease a 9x13-inch baking dish.
02 - In a large skillet over medium heat, melt butter. Add chopped onion and minced garlic; sauté for 2 to 3 minutes until softened.
03 - Stir in flour and cook for 1 minute. Gradually whisk in milk, stirring constantly until the sauce is smooth and thickened, about 2 to 3 minutes.
04 - Remove from heat and stir in sour cream, half of the parmesan (¼ cup), mozzarella, salt, pepper, thyme, and nutmeg if using.
05 - Fold in cooked spaghetti, shredded turkey or chicken, and thawed peas until fully coated.
06 - Transfer the mixture into the prepared baking dish.
07 - In a small bowl, combine panko breadcrumbs, melted butter, and remaining parmesan cheese. Sprinkle evenly over the casserole.
08 - Bake for 15 to 20 minutes until the topping is golden brown and bubbling. Let it rest for 5 minutes before serving.