While looking for a homemade mustard recipe (and also checking to be sure the Brassica juncea seeds would be good to use in a mustard) I found an interesting blog My New Roots by Sarah Britton (BFA, CNP, RNCP) where you will find lots of interesting and healthy-for-you recipes.
DIY Gourmet Mustard recipe
On the Whole Foods site there is some very interesting information on the benefits of mustard seeds - worth reading!
A few of the nutrients in mustard seeds:
- omega 3 fatty acids