Mix all the ingredients except melted chocolate
Take chocolate mould sprad white chocolate and rest five minutes
After five minutes spread bar mixture on it and spread melted chocolate on it
Put mould in freezer for set
Ready same method dark chocolate bar
Just before serving demould bar cut into square
In serving plate put one dark chocolate bar and second white bar
Same method put one white and one dark bar
Looks like Chas board
Garnish with grated coconut, vermicelli,cheery