Corned Beef Hash Patties

1 1/2 C shredded and coarsely chopped, cooked corned beef brisket
3 medium potatoes, cooked, peeled and coarsely shredded
1/2 C chopped onion
1/2 tsp pepper
1/2 C butter

In a large bowl, combine corned beef, potatoes, onion, and pepper. Shape mixture into four patties, each about four inches in diameter. In a very large skillet, melt butter over medium heat. Add patties and cook for five minutes. Turn and cook for five minutes more or until golden brown. Serve patties hot and crispy from the skillet.