Easy Leftover Chicken and Potato Casserole

Easy Leftover Chicken and Potato Casserole

Leftover chicken and potatoes team up to make this tasty casserole. The combination comes together with a basic white sauce and vegetable mixture.
  • Preparation:
  • Cooking:
  • Total:
  • Serves: 4 persons



  1. Step 1

    Gather the ingredients. Preheat the oven to 350 F/180 C/Gas Mark 4.
  2. Step 2

    Lightly grease a 2-quart baking dish.
  3. Step 3

    Heat the butter in a large, heavy skillet or sauté pan over medium heat. Add the mushrooms and onions and cook until tender and lightly browned, about 8 minutes.
  4. Step 4

    Stir the flour into the pan. Cook, stirring, for 1 to 2 minutes.
  5. Step 5

    Gradually add the milk or half-and-half, stirring, and cook until thickened, about 3 to 5 minutes. Add pepper and salt.
  6. Step 6

    In the prepared baking dish, combine the cooked potatoes, chicken, and mushroom sauce mixture. 
  7. Step 7

    If using the breadcrumb topping, toss the breadcrumbs with the melted butter until well coated.
  8. Step 8

    Top the casserole with the buttered breadcrumbs or sprinkle with shredded cheese.
  9. Step 9

    Bake for 25 to 30 minutes or until hot and bubbly. Enjoy.