Chervil/ˈtʃɜːrvɪl/ Definition 1 of 1Pro Tip 1/3Culinary Herb Chervil is commonly used in cooking to enhance flavor, similar to parsley. The recipe calls for a tablespoon of chopped chervil. Pro Tip 2/3Aesthetic Garnish Chervil's delicate leaves are often used as an attractive and edible garnish on dishes. Garnish the omelette with a sprig of chervil before serving. Pro Tip 3/3Subtle Flavor Chervil has a mild taste; it's not as strong as other herbs like rosemary or thyme. Chervil's subtle flavor is perfect for this delicate fish soup.