4 firm-fleshed fish steaks, such as salmon, sword - fish, kingfish, or sable, each 6 to 8 ounces, about 3/4-inch thick
2 tablespoons olive oil, plus more for brushing Sea salt and freshly ground black pepper For the Mojito Mop:
3 tablespoons light rum Juice and finely grated zest of 1 large lime
1 tablespoon canola oil
1 teaspoon hot-pepper sauce
1 tablespoon sugar
4 tablespoons chopped fresh mint leaves
