Spice-Crusted Salmon with Aquavit Sour Cream

THE SPICES USED IN THIS RECIPE—DILL SEEDS, CUMIN, CORIANDER, FENNEL, AND CARAWAY—MAKE THE DISH SEEM DISTINCTLY MIDDLE EASTERN. BUT THE SAME SPICES ARE ALSO IMPORTANT IN SCANDINAVIAN COOKING—IN FLAVORING AQUAVIT, THE TRADITIONAL SPICED POTATO LIQUOR—SO YOU WILL FIND THE SAME WHIFF OF SPICES IN ALMOST EVERY SCANDINAVIAN HOME AROUND CHRISTMASTIME.