02Bring to a boil, reduce heat and simmer 1 hour 15 minutes. Strain through a fine-mesh sieve. Place in a medium saucepan and add the vegetables. Simmer until tender, about 20 minutes. Season with salt and pepper and ladle among 4 shallow bowls. Place 2 pieces of the trout in each bowl, overlapping them slightly at one end. Sprinkle with sage and serve.