• 5 russet potato, scrubbed and dried
• 2½ tbsp olive oil
• 1¼ tsp kosher salt
• ⅔ tsp black pepper
• 5 tbsp butter, for serving, optional
• 75 ml sour cream, for serving, optional
• 2½ tbsp chives, chopped, for serving, optional

Metric measurements are approximate conversions.