Christmas Brunch Casserole | Lazy Cooking

Ingredients

• 1 pound bacon
• 2 medium onions, chopped
• 2 cups mushrooms, sliced
• 1 tablespoon butter
• 4 cups frozen hash brown potatoes, thawed
• 1 teaspoon salt
• 1/2 teaspoon ground black pepper
• 1/4 teaspoon garlic salt
• 1 1/2 cups milk
• 4 medium eggs
• dried parsley, to taste
• 1 cup cheddar cheese, shredded