• 35 russet potato, scrubbed and dried
• 17½ tbsp olive oil
• 8¾ tsp kosher salt
• 4⅓ tsp black pepper
• 35 tbsp butter, for serving, optional
• ½ l sour cream, for serving, optional
• 17½ tbsp chives, chopped, for serving, optional

Metric measurements are approximate conversions.