Shape the dough in a rectangle and cut it lengthwise in 3 equal parts. Then crosswise in 4 equal parts, making 12 pieces in total. Shape each piece into a ball
Flatten each dough with the palm of the hand. Hold the flattened dough in the curve of your palm and add about 1 tablespoon of coconut filling in the center.
Bake in a preheated oven, then take the baking pan with the buns from the oven and brush with egg wash. Return to oven and bake for another 5 minutes or until the buns turn golden brown.