Ingredients for - Hearty Swiss Potato Casserole

1. Butter ¼ cup
2. Whole wheat flour ¼ cup
3. Water, divided 1 ⅔ cups
4. Cornstarch 1 ½ teaspoons
5. Salt and ground black pepper to taste 1 pinch
6. Ground thyme ½ teaspoon
7. Dried rosemary ½ teaspoon
8. Shredded Swiss cheese ¾ cup
9. Shredded Swiss Gruyere cheese ¾ cup
10. Potatoes, peeled and thinly sliced 3 medium
11. Scallions, finely chopped 2
12. Garlic, minced 1 clove

How to cook deliciously - Hearty Swiss Potato Casserole

1 . Stage

Melt butter in a saucepan over medium-low heat. Let simmer for 1 minute. Add flour, 1 tablespoon at a time, whisking constantly until completely incorporated, 5 to 8 minutes. Add 1 cup water slowly and whisking constantly to avoid clumping. Remove from heat.

2 . Stage

Whisk remaining 2/3 cup water together with cornstarch in a small bowl. Add slurry to the gravy; whisk to combine.

3 . Stage

Preheat the oven to 375 degrees F (190 degrees C).

4 . Stage

Stir the gravy briefly; season with salt and pepper. Add thyme and rosemary. Stir in Swiss cheese and Gruyere cheese. Add potatoes, scallions, and garlic; stir well until potato slices are separated and coated with gravy. Pour mixture into an 8-inch square baking dish.

5 . Stage

Bake in the preheated oven until potatoes are tender, 40 to 50 minutes.