• prep: 1 hr 5 min
• cook: 0 hr
• total: 1 hr 5 min

servings:

Colcannon, a classic Irish side dish of mashed potatoes mixed with chopped cabbage, adds intrigue to this otherwise traditional shepherd's pie.

• 1 teaspoon extra-virgin olive oil
• 1 1/2 pounds ground lamb
• Kosher salt and freshly ground pepper
• 1 medium onion, chopped (2 cups)
• 4 carrots, peeled and cut into 1/4-inch coins (1 1/4 cups)
• 3 tablespoons tomato paste
• 1 tablespoon unbleached all-purpose flour
• 1 tablespoon Worcestershire sauce
• 1 3/4 cups low-sodium chicken broth
• 1 cup frozen peas
• 3/4 cup packed chopped flat-leaf parsley
• 2 1/2 pounds Yukon Gold potatoes, peeled and cut into 1 1/2-inch pieces
• 1 tablespoon extra-virgin olive oil
• 1 pound Savoy cabbage, thinly sliced (5 cups)
• 2/3 cup whole milk, warmed
• 4 tablespoons unsalted butter, melted, plus more for brushing

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