Potato Casserole - Diet.com

Ingredients

• 12 ounces frozen hash browns, such as Simply Potatoes, thawed
• 1/2 cup finely chopped, divided, green pepper
• 1/2 cup finely chopped, divided, onion
• 1/2 teaspoon salt
• 1/2 teaspoon black pepper
• 1 teaspoon garlic powder
• Red Pepper flakes to taste
• 1 can (12 ounces) evaporated milk, nonfat
• 3/4 cup egg whites or egg substitute
• 1/2 cup cheese, reduced-fat sharp cheddar, shredded
• 1/2 cup cheese, reduced fat Monterey Jack, shredded
• 1 packed cup washed and chopped, fresh spinach
• 1/2 cup chopped, fresh tomatoes