Add butter to the sugar and mix well and beat it slightly. (After the butter volume is slightly enlarged)
Add the egg yolk in portions and mix well. After burning, pour in the milk and mix well.
Put coconut shreds, low-gluten flour, milk in the stirred butter
Stir well by hand, gently knead the dough, take a small dough, a small ball about 2.5cm
Roll the ball around the shredded coconut and let the surface of the ball stick evenly to the shredded coconut.
Arrange the balls in the baking tray and put them in the oven