Preheat oven to 400F.
Slice off the top of the eggplant and slice in half.
Score eggplant diagonally, making sure to not cut through the skin.
In a small bowl, mix olive oil, white miso paste, soy sauce, garlic, rice vinegar, and red pepper flakes. Brush each eggplant with mixture, until all sauce is used.
Roast eggplant skin side down for 10 minutes. Turn oven to broil and broil on high for 5 minutes, until golden brown and caramelized.
Top with sesame oil, sesame seeds, and chopped cilantro and serve.