Broiled Lamb Chops

Bahan-bahan (4 porsi)

• 4 tablespoons unsalted butter, (softened)
• 1 teaspoon whole grain Dijon mustard
• 1 teaspoon fresh thyme, (lightly chopped)
• ¾ teaspoon finely grated lemon zest
• ⅛ teaspoon kosher salt
• ⅛ teaspoon freshly ground black pepper ((more as needed))
• Eight 1½ to 2-inch (about 3 pounds) lamb chops, (trimmed)