Very Easy Cheesy Scalloped Potatoes Recipe - Food.com

Ingredients

• 2 lbs potatoes, thinly sliced
• 2 small onions, thinly sliced
• 3 tablespoons butter or 3 tablespoons margarine
• 2 tablespoons flour
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1/8 teaspoon cayenne pepper (or to taste)
• 1 1/2 cups milk
• 1 1/2 cups shredded old cheese