• 31 russet potato, scrubbed and dried
• 15½ tbsp olive oil
• 7¾ tsp kosher salt
• 3¾ tsp black pepper
• 31 tbsp butter, for serving, optional
• ½ l sour cream, for serving, optional
• 15½ tbsp chives, chopped, for serving, optional

Metric measurements are approximate conversions.