Potato pancakes (Latvia)

Potato pancakes (Latvia)
7 medium potatoes (around 1 lbs or 600g)
1 large egg
5 tbs flour
Salt and pepper
Finely grate potatoes in a large bowl. Squeeze grated potatoes and drain any excess liquid.
Mix in egg, flour, salt and pepper. Combine well.
Heat oil in a large frying pan.
Drop four heaped tablespoon of potato mixture into the pan and flatten in to make four pancakes.
Fry, turning once, until golden brown.
Serve with sour cream, lingonberry sauce, green onions and/or butter.
Makes 12 pancakes.