Heat oil in large nonstick skillet on medium heat. Spread hash browns in bottom and up sides of pan. Cook 5 minutes or until potatoes form a crust.
Beat eggs in medium bowl with wire whisk. Add milk, pepper, nutmeg, onion powder and salt; mix well. Sprinkle spinach and bacon evenly over potatoes. Pour egg mixture into pan. Cover.
Cook 10 minutes. Sprinkle with cheese. Cover. Cook 5 minutes longer or until eggs are set and cheese is melted.