Ingredients for - Turkey, Potato, and Onion Casserole

1. Russet potatoes, peeled and cut into 1/4-inch slices 2 ½ pounds
2. Salt to taste 1 pinch
3. Diced cooked turkey 2 cups
4. Extra-virgin olive oil 1 tablespoon
5. Onion, sliced horizontally 1 medium
6. Unsalted butter ¼ cup
7. All-purpose flour 3 tablespoons
8. Turkey stock 1 ⅔ cups
9. Grated Parmigiano-Reggiano cheese 1 ½ cups
10. Sour cream 1 cup
11. Ground black pepper, or to taste ¼ teaspoon
12. Bread crumbs ½ cup
13. Chopped fresh parsley, or to taste 2 tablespoons

How to cook deliciously - Turkey, Potato, and Onion Casserole

1 . Stage

Preheat the oven to 350 degrees F (175 degrees C). Butter a 9x13-inch baking dish.

2 . Stage

Place potatoes into a large pot and cover with lightly salted water; bring to a boil over medium heat. Cook until barely tender, 4 to 5 minutes. Drain and place in the prepared baking dish with turkey on top.

3 . Stage

Heat oil in a 10-inch skillet over medium heat. Add onion slices; cook, stirring, until barely tender, 4 to 5 minutes. Separate into rings and place evenly on top of turkey.

4 . Stage

Melt butter in the same skillet over medium heat. Stir in flour and allow to bubble. Cook, stirring, about 3 minutes. Stir in turkey stock and return to a boil. Stir constantly for 3 to 4 minutes, then remove from heat. Stir in Parmigiano-Reggiano cheese until melted, then stir in sour cream and pepper. Adjust seasoning if desired. Pour skillet contents into the baking dish, gently shaking the dish to settle the contents. Sprinkle bread crumbs evenly over top.

5 . Stage

Bake in the center rack of the preheated oven until bubbly, about 30 minutes.

6 . Stage

Garnish with parsley and serve warm.