Scalloped Potatoes

Ingredients (7)

• 0.25 tsp black pepper
• 0.25 tsp salt optional
• 1 Nonstick cooking spray
• 1 medium yellow onion cut into thin strips
• 1 cup fat free half-and-half
• 6 medium russet potatoes
• 0.5 cup cheddar cheese reduced-fat, shredded sharp, divided