2tablespoonsextra virgin olive oil, plus more for brushing
Kosher salt and freshly ground black pepper
1large lemon, halved crosswise
Directions
Thread 3 scallops onto each rosemary sprig. Drizzle with 2 tablespoons oil and season with salt and pepper.
Build a medium-hot fire in a charcoal grill, or heat a gas grill to high. Brush grill grate with oil. Place lemon halves, cut side down, on grill.
Grill scallops until golden brown and just opaque in center, 3 to 4 minutes per side. Transfer to plates and serve caramelized lemon halves on the side for squeezing over.