"1 (10-inch) square salt block, at least 1½ inches thick HABANERO SPRINKLE 2 tablespoons sugar 3 tablespoons sesame seeds Pinch ground habanero chile ¼ teaspoon fleur de sel BARBECUE SAUCE 2 tablespoons rice vinegar 2 tablespoons kecap manis (sweet soy sauce), teriyaki sauce, or hoisin sauce 2 teaspoons white miso 1 tablespoon orange bitters 2 teaspoons honey tablespoon dark sesame oil 1 garlic clove, minced ½ teaspoon chili paste, preferably sambal oelek 1 ¼ pounds large wild -caught sea scallops (about 16) ½/ teaspoon freshly ground black pepper 2 scallions, roots trimmed and thinly sliced 1 lemon, cut into 4 wedges"