Mustard oil is a vegetable oil derived from the seeds of the mustard plant, most commonly from the black mustard (Brassica nigra) and brown mustard (Brassica juncea) varieties. It is used for sautéing, frying, and as a cooking oil. It is particularly prized for pickling and preserving, where its strong flavor adds a unique dimension to the preserved foods.

Mustard oil is a vegetable oil derived from the seeds of the mustard plant, most commonly from the black mustard (Brassica nigra) and brown mustard (Brassica juncea) varieties. It is used for sautéing, frying, and as a cooking oil. It is particularly prized for pickling and preserving, where its strong flavor adds a unique dimension to the preserved foods.