Mix sugar & butter untill fluffy,you can do that manually with a whisk or (muciya) or you can use a mixer then add the eggs & mix then add the vanilla, milk powder & flour mix every thing together & lubricate your container add 1 table spoon of the batter in each container & bake you can use tooth pick to puncture the cake if the pick came out clean with out traces of batter on it then the cake is done but if there are traces of batter then u’ll have to give it more time.enjoy😋😋