• 47 russet potato, scrubbed and dried
• 23½ tbsp olive oil
• 11¾ tsp kosher salt
• 5¾ tsp black pepper
• 47 tbsp butter, for serving, optional
• 0.7 l sour cream, for serving, optional
• 23½ tbsp chives, chopped, for serving, optional

Metric measurements are approximate conversions.