Hearty Egg Casserole

Ingredients

• cooking spray
• 28 ounces frozen hash browns (southern style, about 6 cups)
• 8 ounces sharp cheddar cheese, shredded (about 2 cups)
• 10 eggs, well beaten
• 1 cup reduced-fat sour cream
• 1 cup skim milk or 1 cup low-fat milk
• 2 tablespoons honey dijon mustard (optional)
• 1 teaspoon salt
• 1/4 teaspoon ground pepper
• sliced red onion (optional)
• parsley sprig (optional)
• mixed greens (optional)