Nguyn liu | Ingredients: - 200g rice flour- 30g bt nng | 30g tapioca starch- 1/2mcf mui | 1/2tsp salt- 5mc ng | 5tbsp sugar- 350ml nc ct da | 350ml coconut milk- 90g u xanh | 90g mung bean- mt t hnh l | chopped scallion- 1mc du n | 1tbsp cooking oil- 1mcf ng | 1tsp sugar- 50ml nc ct da | 50ml coconut milk- 1mc ng | 1tbsp sugar- mt cht mui | pinch of salt- 1mcf bt nng (ha vi t nc) | 1tbsp tapioca slurry