Au Gratin Potatoes

By bela1102

Ingredients

• 3 tablespoons butter
• 3 tablespoons all-purpose flour
• 1-1/2 teaspoons salt
• 1/8 teaspoon pepper
• 2 cups 2% milk
• 1 cup shredded cheddar cheese
• 5 cups thinly sliced peeled potatoes (about 6 medium)
• 1/2 cup chopped onion
• Additional pepper, optional

Details

Adapted from tasteofhome.com

Preparation

Step 1

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 2-qt. baking dish. Cover and bake 1 hour. Uncover; bake 30-40 minutes or until the potatoes are tender. If desired, top with additional pepper.