A cozy, creamy baked casserole with tender chicken, spinach, and cheese. Perfect for family dinners or meal prep.
3 cups cooked chicken, shredded
5–6 cups fresh spinach or 10 oz frozen (thawed & squeezed)
3 tbsp butter
1 onion, chopped
3 garlic cloves, minced
3 tbsp all-purpose flour
1 1/2 cups chicken broth
1 cup whole milk or half-and-half
1 cup shredded mozzarella
1/4 cup grated Parmesan
1 tsp Italian seasoning
Salt & pepper, to taste
Optional: red pepper flakes, 2 cups cooked pasta or rice
Preheat oven to 375°F. Grease a 9×13-inch baking dish.
In a skillet, melt butter. Sauté onion 3–4 mins, then add garlic.
Stir in flour and cook 1 min. Gradually add broth, then milk. Simmer 5 mins until thick.
Add spinach and stir until wilted. Add cheese and seasonings.
Stir in chicken and cooked pasta or rice (if using).
Pour into baking dish, top with more cheese.
Bake 20–25 mins until bubbly. Broil 2–3 mins for golden top.
Let rest 5 mins before serving.
Freeze after baking or prep ahead and refrigerate.
Add mushrooms, broccoli, or bacon for variation.
Use gluten-free flour or dairy alternatives as needed.