Corned Beef and Cabbage - Edible Nashville

Ingredients

• 1 (3 to 4 pounds, uncooked)corned beef
• 2bay leaves, crumbles
• 1 teaspoonmustard seeds
• 1 teaspoonwhole black peppercorns
• 1 teaspoonallspice berries
• 1 (about 2 pounds)savoy cabbage
• 3large carrots, trimmed, peeled, and cut crosswise into 2-inch sections
• 2medium onions, peeled and quartered
• 1 poundYukon gold or boiling potatoes, scrubbed and cut into 2-inch pieces
• 3 tablespoonsunsalted butter
• 1 tablespoonchopped fresh flat-leaf parsley or chives (optional
• Spicy mustard, for serving