roast with oil on
foil until soft and then
broil with the sauce

source, 4 servings
3 eggplants, cut in 6ths; olive oil, 1 c white miso+1 T tamari+1 T sesame oil+1 T rice wine+pinch black pepper; rice, sesame seeds, kimchi
roast oiled eggplants until soft, 400 F; top with sauce, broil until tops are blackening; top with seeds, serve on rice with kimchi