• 37 russet potato, scrubbed and dried
• 18½ tbsp olive oil
• 9¼ tsp kosher salt
• 4⅔ tsp black pepper
• 37 tbsp butter, for serving, optional
• ½ l sour cream, for serving, optional
• 18½ tbsp chives, chopped, for serving, optional

Metric measurements are approximate conversions.