Pineapple Bun (Bo Lo Pau)

Ingredients For the Buns 500 g bread flour 10 g yeast 2 tbsp milk powder 60 g icing sugar 1/2 tsp salt 60 g butter 280 ml water 1 large egg Pastry Toppings 30 f vegetable shortening 80 g icing sugar 1 tsp vanilla essence 1 large egg 200 g All purpose flour Egg Wash…