Combine the ground beef, onion, garlic, egg, cheese, ketchup, oregano, and season to taste.
1 ½ lbs. ground beef, 1 onion, 2 garlic cloves, 1 egg, ½ cup aged cheddar cheese, ¼ cup homemade ketchup, ½ tbsp. dried oregano, Sea salt and freshly ground black pepper