Add flour, sugar, milk powder and baking power to a mixing bowl. Add yeast and mix well.

Add the mixture of combined wet ingredients (double cream, milk, water) into the dry ingredients, mix.

Form into small balls. Roll out into oval shape then spray some vegetable oil on the top surface. Spread out evenly. Fold in half and place on a piece of square paper.

Steam in bamboo steamer (or any kind of vegetable steamer) for about 15-20 min.