Usually it’s a mix of salt and ground up celery seeds or sometimes dried celery, or occasionally lovage (which is a related vegetable.) It’s pretty commonly available at grocery stores in (in the US at least) with the rest of the spices.
If you’ve ever had a Bloody Mary or Caesar it’s a common (some would say essential) ingredient in them. It’s also a major part of Old Bay seasoning.
Usually it’s a mix of salt and ground up celery seeds or sometimes dried celery, or occasionally lovage (which is a related vegetable.) It’s pretty commonly available at grocery stores in (in the US at least) with the rest of the spices.
If you’ve ever had a Bloody Mary or Caesar it’s a common (some would say essential) ingredient in them. It’s also a major part of Old Bay seasoning.