Choose starchy potatoes like Russet or Yukon Gold
Peel if desired, then cut into even pieces
Rinse the cut potatoes to remove excess starch
Boil in salted water until just tender
Drain well
Shake the potatoes in the pot to rough up the edges
Let them steam-dry for a few minutes
Preheat the oven to a high temperature
Heat oil or fat in a roasting pan or baking sheet
Add the potatoes to the hot oil
Season with salt and pepper
Roast until golden and crisp
Flip or toss halfway through cooking
Serve immediately