Helstegt Rodspaette med Persillesovs og Nye Kartofler

June in Denmark is light that doesn't end. The sun hangs over the harbour until nearly eleven, and the market stalls fill with the two things every Danish cook has been waiting for: the first nye kartofler, still dusty with the soil they came from, and whole rodspaette, flat and glistening, just hours off the boat. This is when summer starts in a Danish kitchen. Not on the calendar. On the plate.

Helstegt rodspaette is Denmark's national fish dinner, and it has been for as long as anyone can remember. The whole plaice, fried in butter until the skin crackles and the flesh underneath stays sweet and white. Beside it, persillesovs, the creamy parsley sauce that belongs here the way dill belongs on everything else. And nye kartofler, small enough to eat whole, rolled in butter with nothing more than a pinch of salt. Three things on a plate. None of them complicated. All of them requiring your attention at the right moment.

What I want you to understand before you start is this: the fish is dredged in rugmel, dark rye flour, not wheat. Rugmel gives a thinner, crispier coat that browns faster in the butter and carries a nuttiness wheat flour can't. It's also what grows in Denmark, and that's not a coincidence. You dredge the fish the moment before it goes into the pan, not earlier. Earlier, and the flour absorbs moisture from the skin, goes damp, and refuses to crisp. The butter should be foaming and golden-brown when the fish hits it. You'll smell toasted hazelnuts. That's the moment. You'll know when it's right.

This is not a difficult meal. It is an attentive one. Make the sauce while the potatoes boil. Fry the fish last, just before you sit down. Everything arrives at the table at the same time, warm and honest and exactly what a June evening calls for. The season decides, and the season has decided well.