Lightly brush both internal sides with oil before the first batch only.
Carefully remove the cookies and let them cool before filling or serving. 💡 Quick Review & Tips
Place small balls of dough into the indentations (don't overfill!).
Keep the flame at medium . High heat burns the outside while leaving the inside raw.
This query likely refers to the classic (often called " Oreshnitsa " for walnut cookies or " Vafelnitsa " for thin waffles).
If the dough is buttery enough, you shouldn't need to grease it more than once.
