Cream butter and sugar with beater
Add egg one by one
Add vanilla
Sieve flour and baking powder
Add them in butter mix and fold grease a silicon donut mould and pour battar in it
Bake them for 25 min.at 180 degree
When baked cool little
Demould them
Take a donut cupcake and spread jam on backside of it
Fix it on marie biscuit
Prepare all cupcakes like that
Melt choclate on double boiler
Cool it and dip donuts in it only from front side
Dacorate with sprinkles
Let them set a little and serve