Step-Up Breakfast Casserole | Cooking Professionally

Ingredients

• 1 large onion, finely chopped
• 1 tablespoon olive oil
• 2 cloves garlic, minced
• 1 (10-ounce) package frozen chopped spinach, thawed and squeezed dry
• 1/4 teaspoon salt
• 1/4 teaspoon pepper
• 2 ounces sliced pancetta or bacon, finely chopped
• 3 cups frozen shredded hashbrown potatoes, thawed
• 8 large eggs
• 2 cups 2% milk
• 1 cup fontina cheese, shredded and divided
• 1 cup cheddar cheese, shredded and divided
• 1/4 cup fresh parsley, minced
• 1 tablespoon Worcestershire sauce
• 1 teaspoon ground mustard
• 1/4 teaspoon ground nutmeg
• ground pepper, to taste
• parsley, optional, to taste