- Mix egg yolk, sugar, oil and water together - Whisk egg white and put sugar bit by bit until it becomes a meringue - Gently fold the meringue into the mixture - Sieve all dry ingredients and fold into the mixture until mixed well
- Boil glucose, sugar and water until soft boil stage - Beat all eggs and put into the sugar mixture. Mix until it cools off - Put the butter in gradually until it's mixed well - Add melted milk chocolate and coffee paste, mix until all are well incorporated
