Foryoueats: Corned Beef Hash

Ingredients

• 2 to 3 tablespoons unsalted butter
• 1 medium onion, finely chopped (about 1 cup)
• 2 to 3 cups finely chopped, cooked corned beef
• 2 to 3 cups chopped cooked potatoes, preferably Yukon gold
• Kosher salt and freshly ground black pepper
• Chopped fresh parsley