Place the grated potato in a kitchen towel, then close and twist the towel to squeeze out the excess liquid.
Combine the potato, polony, flour and salt in a large bowl and mix well until thoroughly combined.
Spoon some of the mixture into palm of your hand, depending on the portion size you’d like and mould into a flat disc. Repeat this process with the remaining rosti mixture.
Heat the olive oil in a pan over a medium heat, and fry each rosti until golden brown on both sides.
Zesty Whipped Feta
Add feta, lemon juice and zest to a mixing bowl and whip until smooth.
Serve
Serve each rosti topped with a spoonful of zesty whipped feta. Add scrambled eggs to make it a breakfast treat.