Never-Fail Scalloped Potatoes

• 2 tablespoons butter
• 3 tablespoons all-purpose flour
• 1 teaspoon salt
• 1/4 teaspoon pepper
• 1-1/2 cups fat-free milk
• 1/2 cup shredded reduced-fat cheddar cheese
• 2 pounds red potatoes, peeled and thinly sliced (about 4 cups)
• 1 cup thinly sliced onions, divided

1. Preheat oven to 350u0b0. In a small saucepan, melt butter; stir in flour, salt and pepper until smooth. Gradually whisk in milk. Bring to a boil, stirring constantly; cook and stir until thickened, about 2 minutes. Remove from heat; stir in cheese until melted.
2. Coat an 8-in. square baking dish with cooking spray. Place half of the potatoes in dish; layer with 1/2 cup onion and half of the cheese sauce. Repeat layers.
3. Bake, covered, 50 minutes. Uncover; bake until bubbly and potatoes are tender, 10-15 minutes longer.

butter, allpurpose, salt, pepper, milk, cheddar cheese, red potatoes, onions

Taken from www.tasteofhome.com/recipes/never-fail-scalloped-potatoes/ (may not work)