Ingredients
3 tablespoons butter3 tablespoons all-purpose flour1 to 1-1/2 teaspoons salt1/4 teaspoon pepper3 cups milk1-1/4 cups shredded cheddar cheese4 medium potatoes, peeled and thinly sliced1/4 cup chopped onion
Preparation
In a saucepan, melt the butter. Stir in flour, salt and pepper until smooth. Gradually stir in milk. Bring to a boil; cook and stir for 2 minutes or until thickened. Reduce heat. Stir in cheese until melted. In a 2-1/2-qt. microwave-safe dish coated with cooking spray, layer a third of the potatoes, onion and cheese sauce. Repeat the layers twice. Cover and microwave on high for 25-30 minutes, stirring every 5 minutes until the potatoes are tender.
