Combine self-rising flour and yoghurt into a bowl and mix them well together.
Pipe the dough into a circle with a piping bag or scoop it into the shape of a circle with a spoon.
Before cooking the doughnuts, preheat the oil to 160-170 degrees Celsius. To ensure that they are cooked evenly, move them about.
Cook them until golden and you�re ready to serve!