Paillasson de pommes de terre

• 1¼ pounds (565 g) boiling potatoes
• 3 tablespoons peanut oil

Peel the potatoes and grate them coarsely, either in the food processor or with a hand grater. Wash them in two or three changes of cold water–by rinsing away the potato starch, the center of the paillasson will be light and creamy rather than gluey–then drain and pat thoroughly dry in a towel.

In the skillet, heat the oil and 3