Scalloped Potatoes

Ingredients (9)

• nonstick cooking spray 1.00 Nonstick cooking spray
• salt 0.25 tsp optional
• russet or baking potatoes 6.00 medium russet potatoes
• yellow onion 1.00 medium yellow onion cut into thin strips
• black pepper 0.25 tsp
• 1.00 cup
• cheddar cheese 0.50 cup reduced-fat
• shredded sharp
• divided