Karas u Smetani (карась у сметані, crucian carp in cream)

Crucian carp is a sweet little river fish with a wicked sense of humor: beautiful flesh, too many bones, and a skin that rewards courage. You don't tiptoe around it. You score the sides almost to the backbone, salt it properly, fry it until the cuts open like pages, then bury it under smetana with onions so the cream sets into a golden, tangy crust.

This is a southern river dish for a table that has been outside all afternoon. Someone has brought fish from the market or from a cousin who still thinks a bucket counts as conversation, potatoes are waiting somewhere nearby, and the dill is not garnish so much as weather. My Aunt Nadia wrote only, "fry until it sounds right," which took me longer than I like to admit. The sound is sharper when the skin has dried and the oil has stopped sulking around it.

The one thing that decides the dish is the scoring. Crucian carp carries fine pin bones through the flesh; shallow cuts do nothing, but close deep slashes let heat and oil get in so the small bones soften and the skin crisps. After that the smetana can do its work, sour and rich, pulling the onion sweetness around the fish. Serve it from the pan. Fish like this should not arrive politely.