Sake and Miso Marinated Salmon with Coconut Rice and Broccolini

Name: Sake and Miso Marinated Salmon with Coconut Rice and Broccolini
Ingredients: 1/2 cup white miso paste; 3 tablespoons brown sugar; 3 tablespoons sake; 3 tablespoons mirin; Four 6-ounce salmon fillets, skin on; 2 tablespoons extra-virgin olive oil, plus more for brushing; Kosher salt; 1 bunch (8 ounces) broccolini, ends trimmed; 1/2 teaspoon crushed red pepper flakes; Coconut Rice, for serving, recipe follows; 1 tablespoon coconut oil; 2 cups jasmine rice, rinsed under cold water until it runs clear; One 13.5-ounce can full-fat coconut milk, well shaken; 2 teaspoons kosher salt; 1 cup shredded coconut; 4 lime wedges, for serving