Into a warm milk add yeast cover for some minutes

Mix butter with sugar add vanilla essence,flour,add yeast mixture and knead dough very well,allow it to rise for 1hr

Flour working surface and make dough into long strips,Do same process for remaining dough arrange them and cover to rise for 30mints

Heat vegetable oil in a pan,it should not be too hot and fry in medium heat until golden brown

Roll donuts in sugar immediately,allow to cool and serve