Sweet Mung Bean Soup (che bong cau)

Ingredients: 2 cups cooked mung beans
3 cups water
3/4 cup sugar
1 tbs vanilla

Thickening solution:
1/3 cup tapioca or cornstarch
1/2 cup water
Garnish:
1 cup coconut milk*
Directions:
Mix thickening solution in a small bowl. Set aside.
In a saucepan, add sugar to water and bring to a boil. Add thickening solution.

 Cook this mixture until clear (about 3 minutes). Stir in cooked mung beans, vanilla and simmer for another 5 minutes. Serve with coconut milk on top.

* Cook 1 cup coconut milk, 1/4 tsp salt, 2 tsp sugar. Stir in low heat. If the coconut milk appears thin, stir in 1/2 tsp cornstarch. Mix with 2 tbs water. Cook until thickened.