Lamb Shepherd's Pie Recipe | Valerie Bertinelli | Food Network

Ingredients

• 3 cloves garlic, chopped
• 1 bay leaf
• 1 carrot, finely chopped
• 1 rib celery, finely chopped
• 1 yellow onion, finely diced 1 tablespoon extra-virgin olive oil
• 1 pound ground lamb
• 1 tablespoon dry mustard
• Kosher salt and freshly ground black pepper
• 3 tablespoons tomato paste
• 1 tablespoon fennel seeds
• 1/2 cup canned tomato puree
• 2 tablespoons chopped fresh mint
• 2 tablespoons chopped fresh sage
• 2 pounds russet potatoes, peeled and cut into quarters, or 2 1/2 cups cooked mashed potatoes
• 1/2 cup whole milk
• 3 tablespoons unsalted butter