Potato Au Gratin
Serves 8 - 104 T butter
4 T all-purpose flour
2 teaspoons salt
1/4 teaspoon pepper
3 cups whole milk
1 ½ cup shredded cheddar cheese
5 medium thinly sliced peeled potatoes
3/4 cup chopped onion
Additional pepper, optional
Preheat oven to 350°. In a large saucepan, melt butter over low heat. Stir in flour, salt and pepper until smooth. Gradually add milk. Bring to a boil; cook and stir 2 minutes or until thickened. Remove from heat; stir in cheese until melted. Add potatoes and onion.
Transfer to a greased 10” Cast Iron Skillet. Cover and bake 1 hour. Uncover; bake 40 minutes or until the potatoes are tender. If desired, top with additional pepper.