Coarse Grain Mustard

Directions

1. 1
   combine vinegar onions, and tarragon in a deep bowl.
2. 2
   boil water, and add to bowl.
3. 3
   let this marinate for 3 hours.
4. 4
   strain into a saucepan.
5. 5
   grind mustard seeds with a mortar and pestle or in a processor.
6. 6
   add ground mustard and remaining ingredients to saucepan.
7. 7
   bring to a boil and simmer for 5 minutes.
8. 8
   taste and add some water to tame the heat, if necessary.
9. 9
   pour into a sterile jar, seal, and store up to 1 month.
10. 10
    let it sit for 1 day before using.