Cheesy Meatball Hash Brown Casserole

Name: Cheesy Meatball Hash Brown Casserole
Ingredients: 2 eggs; 3/4 cup bread crumbs; 1/4 C Parmesan Cheese; 6 to 8 garlic cloves (minced); 2 teaspoons salt (divided); 1-1/2 teaspoons pepper (divided); 1 Tablespoon Worchestershire sauce; 1/2 teaspoon onion powder; 1 pound lean ground beef; 1 can (10-3/4 ounces condensed cream of chicken soup, undiluted); 1 cup 8 ounces sour cream; 1 cup 4 ounces shredded cheddar cheese; 1/2 a large onion (chopped); 1/2 teaspoon garlic powder; 1 package (30 ounces frozen shredded hash brown potatoes, thawed)