Mix butter and sugar evenly in a direction for about 3minutes
Add milk in it and mix again
Add vanilla essence in it and mix again
Add all purpose flour in small quantities and mix again add milk powder in it
Add baking powder and baking soda in it.mix in the same direction
Preheat the convection mode of the microwave for about 10minutes
Pour the batter in the cake tin after greasing and bake it for about 15minutes