Brown mustard seeds have a strong flavor and are often utilized in whole grain and grainy varieties of mustards. These brown mustard seeds have now often taken the place of black in Indian cooking. Mustard Seeds come from one of three different plants: white mustard (Brassica alba), brown mustard (Brassica juncea), or black mustard (Brassica nigra), White mustard seeds are typically a whitish, tan color and are often referred to yellow mustard seeds. Brown mustard seeds are also known as Indian mustard seeds.

French mustard paste is made from brown or black seeds ground in vinegar. Italians mix orange and lemon peel with the seed.