Ingredients 4 (4-ounce) tilapia fillets1 teaspoons kosher salt, divided use3/4 teaspoon freshly ground white pepper divided use3 tablespoons extra-virgin olive oil, divided½ cup finely diced onion½ cup finely diced carrot½ cup finely diced celery1 teaspoon chervil1 teaspoon dill1 clove...