1. Preheat oven to 500°F. Pour salt into a large ovenproof skillet; bake 15 minutes.
2. Arrange shrimp in a single layer in a deep metal baking pan. Pour hot salt over shrimp, covering completely. Roast 5 minutes, until just cooked through. Rinse shrimp briefly under hot water; pat dry. Serve with Lemon-Basil Mayo or Cocktail Sauce in 5 Minutes.