A classic Potatoes Au Gratin dish that will captivate you. These are great for holiday tables or Sunday dinners. Cheese, Parmesan, and creamy sauce on thinly sliced potatoes.
– ¼ cup butter– 1 medium onion– 3 cloves garlic– ¼ cup all-purpose flour– 1 cup chicken broth– 2 cups whole milk– ½ teaspoon salt – ½ teaspoon pepper – 1 tablespoon fresh thyme – 3 pounds potatoes – 2 cups white cheddar cheese – ½ cup Parmesan cheese
Ingredient
1
Heat the oven to 350°F. Lightly coat a 9x13-inch casserole dish with cooking spray. Over medium-low heat, melt butter in a medium skillet.
2
Cook onion and garlic for 3 minutes to soften. Sprinkle flour on onion and garlic and stir. Cook 2 more minutes.
3
Add the milk and chicken broth gradually while stirring constantly to thicken. Blend until silky.
4
While whisking, bring to a boil over medium heat. Add pepper and salt for seasoning.
5
Arrange a single pound of potato slices in the bottom of the casserole dish that has been prepared.
6
Evenly sprinkle about ½ cup of the cheddar cheese and ⅓ of the sauce over top. Continue by adding another layer of potatoes, ½ cup of cheddar, and ⅓ of the sauce.
7
The leftover potatoes, sauce, cheese, and Parmesan. Cover the casserole dish with foil and bake for 45 minutes.
8
Remove the aluminium cover and bake for 45 minutes until golden brown and potatoes are fork soft.
9
If needed, broil for two minutes until desired golden brown. Add fresh chopped thyme and serve with your favourite meat.