Soak black rice overnight.
Rinse rice the next day. Place the rice in a rice cooker and add 2 ¼ water; then cook.
Once the rice is done, prepare the coconut sauce.
Ina sauce pan, mix coconut milk, salt and sugar. Simmer until the sugar dissolves.
Pour about half of the coconut sauce in with the cooked rice and mix. Let stand for 10 minutes.
Using a small bowl mix the cornstarch with 2 tsp of water. Add this thickening agent to the coconut sauce and simmer until thick looking.
Scoop and place rice on a plate then drizzle the thickened sauce over the rice. Sprinkle with sesame seeds.