Instructions
To Make The Rice Soak
In a bowl, mix the coconut milk with the sugar and salt. Set aside.
To Steam The Rice:
Soak the rice in water overnight. Rinse and drain.
To steam the rice, layer the washed rice on a cheesecloth and fold it. Place on a steamer, and steam for 20 minutes.
When the rice is steamed, place it in a bowl. And pour the rice soak over it, mix well. Set aside, and let it soak up the sauce for 20-30 minutes.
To Make The Coconut Sauce:
In a small saucepan, combine the coconut milk with the sugar and water and let it reach a simmer (do not boil). Make the slurry by combining the cornstarch with water, and whisk it in the coconut milk. Cook for a couple of minutes until the sauce slightly thickens.
To Serve:
Peel and slice the mango into thick slices. Serve the rice in a plate or a bowl, arrange the mango slices on the side, and drizzle with sauce.