First take two packets of oreo biscuits, approximately 20 biscuits
separate the cream and biscuits
grind the biscuits into fine powder
add a cup of milk in batches and mix it well
mix it to cake batter consistency
now add baking powder and mix it well
transfer it to a greased pan
now take a deep vessel and add salt and heat on high for 10 minutes
place the baking pan in the vessel
cover and cook for 20 minutes on medium heat
insert a toothpick and if is comes out clean, means done
let it cool
cut it in desired shape
now take cream from oreo biscuits and add melted chocolate to it
mix it well
spread it evenly on the cake
add remaining cream on the top of the cake using polythene piping bag
oreo birthday cake without oven is ready