*Note: This recipe is based on one serving (1 dozen clams). Amounts can be doubled fo multiple servings.
Preheat grill to high (450°F to 500°F).
Stir together scallion, jalapeno, lime juice, salsa and cilantro in a small bowl.
Place clams in batches of one dozen on the grill and cook until clams open. Discard any clams that do not open.
Carefully remove clams from grill and discard top shells.
Place clams on the half shell on unoiled grill grates; grill, covered, until marinade mixture bubbles, about 2 minutes.
Carefully transfer to a platter; sprinkle with salt and a quick drizzle of fresh lime juice to serve. Enjoy hot.