1.To make custard cream: beat egg yolks, sugar and butter until stiff, fold in sieved custard powder and flour. Add in milk and vanilla essence, beat until smooth.
2.To make puff: Boil milk, water, butter, salt & sugar, remove from head. Add the sieved plain flour, quickly mix well & reheat.
3.Remove from heat & stir in eggs one by one. Beat well
4.Fill the batter into piping bag & pipe into desired shape onto baking sheet. Spray each with water & bake for 20 mins in 200℃ preheated oven until golden.
5.Cool in rack & halve, fill with custard.
6.Garnish by melted chocolate.