Golden fried tangyuan with a crispy shell and chewy, sweet interior are a fun twist on tradition. A family dessert with exciting textural contrast.
Mix the glutinous rice flour with a pinch of salt and add water gradually, kneading until a smooth, slightly sticky dough forms.
Combine black sesame paste, confectioners' sugar, and unsalted butter in a bowl until smooth; chill for 15 minutes for easier shaping.
Divide the dough into 16 pieces; flatten each one, place about 1 tsp of sesame filling in the center, and seal well to form balls.
Heat vegetable oil in a heavy-bottomed pan to 340°F (170°C); carefully lower tangyuan into the oil in small batches.
Fry tangyuan for 3-5 minutes, turning occasionally, until golden and crisp; drain on paper towels and serve warm for best texture.