• 53 russet potato, scrubbed and dried
• 26½ tbsp olive oil
• 13¼ tsp kosher salt
• 6⅔ tsp black pepper
• 53 tbsp butter, for serving, optional
• 0.8 l sour cream, for serving, optional
• 26½ tbsp chives, chopped, for serving, optional

Metric measurements are approximate conversions.