Galangal Braised Pork Belly with Trout Roe

Name: Galangal-Braised Pork Belly with Trout Roe
Ingredients: ½ cup white miso; 3 tablespoons kosher salt; 2 tablespoons mild honey (such as clover or alfalfa); 1½ pounds skinless pork belly; 1½ cups sugar; ⅓ cup fresh lime juice; 1 2-inch piece galangal or ginger, peeled, chopped; 1 cup coarsely chopped kimchi; 1 cup nasturtium leaves or trimmed watercress; 1 ounce trout roe (optional); Flaky sea salt