Celeriac/səˈleriæk/ Definition 1 of 1Pro Tip 1/3Culinary Context Celeriac is commonly used in cooking, often in soups, stews, or pureed dishes. The chef garnished the dish with thin slices of raw celeriac. Pro Tip 2/3Taste Profile Celeriac has a flavor that's similar to celery, but milder and slightly nutty. Celeriac adds a subtle, earthy flavor to the vegetable broth. Pro Tip 3/3Texture Note When cooked, celeriac becomes tender and can be mashed or pureed smoothly. Mashed celeriac was served as a side dish with the roast chicken.