Oven-roasting whole fish marries ease of preparation with stunning presentation.
TEST-KITCHEN TIP:
For 8 to 10 servings, cook a 4 1/2-pound fish instead (you'll need to use 3 egg whites, 6 tablespoons water, and 3 boxes of salt). Bake the fish for 35 minutes. Whatever size fish you use, be sure to preheat the oven for 30 minutes, using an oven thermometer for accuracy.