Method

1) Dissolve the yeast in the warm water and leave for 5 minutes.
2) Using a mixer, add the salt, sugar, cinnamon and gradually add the flour until you have a non-sticky dough.
3) Put in a lightly oiled bowl, cover with cling film and leave to rise in a warm place until doubled in size - approximately 2 hours.
4) Turn dough out onto a floured work surface. Cut dough into 25 pieces. Shape with floured hands and place on a lightly floured
plate.
5) Leave to rise for 20 minutes.
6) Heat the oil in a deep -fat fryer to 190C/375F or a large deep saucepan.
7) Carefully drop several donuts at a time into the hot oil. Cook for 3 minutes per side. Turn and brown on the other side.
8) Remove with a slotted spoon, place on a paper towel. Cool slightly
9) If filling the donuts with jam, insert the point of a knife into one side of the donut. Put the jam in a piping bag and fill the donut.
10) To finish roll in sugar.

To serve the stylish way: Stack them up high on a plate and dust with some cinnamon sugar.