Ultimate Cheeseburger

Name: Ultimate Cheeseburger
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Yield: 1
Ingredients: 1 piece mozzarella:; Oil for frying; 1 burger bun; 2 cheese slices; 1 hash brown; Ketchup, to serve; Batter:; 2 eggs; Milk; Salt; Pepper; Wheat flour