1. Peel the potatoes and grate them in long strokes on the coarse side of your grater. Place the grated potato in a dry tea towel and squeeze out the excess liquid. Place the dry-squeezed potato in a large mixing bowl, season generously with salt and pepper and mix in the melted butter.
2. Heat a little olive oil in a non-stick 22cm pan. Place the grated potato in a 1.5cm-thick layer on the bottom of the pan. Try to press the potatoes together without compacting the ingredients.