Ingredients

• For the dough:
• 300 grams (2½ cups) ‘00’ soft wheat or all-purpose flour
  
• 50 grams (¼ cup) rye flour (optional; or use the same weight in ‘00’ or all-purpose flour)
  
• 125 grams egg (about 2 whole eggs and 1 egg yolk), beaten
  
• 50 milliliters (4 tablespoons) water
  
• 25 grams (1½ tablespoons) full-fat sour cream
  

• For the filling and to finish:
• 250 grams (about 2 medium) russet or other floury potatoes, peeled and cut into large pieces
  
• 115 grams (½ cup) full-fat sour cream, plus more for serving
  
• 85 grams (½ cup) smoked salmon, chopped
  
• 7 grams (¼ cup) minced fresh chives, plus more for serving
  
• 4 grams (½ cup, loosely packed) fresh dill fronds, plus more for serving
  
• ¹/₂ teaspoon freshly grated lemon zest, or to taste
  
• ¹/₂ teaspoon kosher salt, or to taste
  
• ¹/₄ teaspoon freshly ground black pepper, or to taste
  
• 60 milliliters (¼ cup) neutral oil, for pan frying
  
• 1 teaspoon chili oil of choice, for dipping (see Author Notes)