Using a box grater, grate both onion and potato in a bowl
Add salt- mix thoroughly and let stand for 5 minutes
Squeeze excess moisture and place the mixture onto a cloth to wring the remaining moisture
Transfer the mixture to a large bowl and add the remaining ingredients
In a small non-stick pan over medium heat, place enough oil to cover the pan
Divide the recipe into 4 portions. Place a portion and press firmly into the pan and ensure that it covers the entire pan, cook until golden brown on both sides and the interior of the pancake is cooked through