Shepherd’s Pie with Cheesy Mashed Potatoes

Ingredients

• 3 large potatoes, peeled and halved (about 2 pounds)
• Kosher salt
• 1 1/2 pounds ground lamb or beef
• 4 tablespoons (1/2 stick) unsalted butter, divided
• 1 cup chopped onion
• 1/2 cup chopped carrots
• 1/2 cup chopped celery
• 1/2 cup chopped fennel
• 1 teaspoon minced garlic
• 1/2 teaspoon dried thyme
• 2 tablespoons all-purpose flour
• 1 1/4 cups whole milk, divided
• 1/2 cup chicken broth
• 1/2 cup fresh or frozen corn
• 1/2 cup fresh or frozen peas
• Freshly ground black pepper
• 1 teaspoon Worcestershire sauce
• 1/2 cup shredded Roth Organic Sharp Cheddar cheese
• 1/2 cup shredded Roth Creamy Havarti cheese