Wholegrain mustard

Ingredients

• 115 g black mustard seeds
• 115 g yellow mustard seeds
• 85 ml British beer , such as Fuller\\\\\\\'s London Pride
• 1 tablespoon sea salt
• 85 ml malt vinegar
• 1 tablespoon runny honey

• Method

  Place all of the seeds in a large bowl. Pour over the beer, stir, cover with clingfilm and leave at room temperature overnight. 
  
  The next day, tip the mustard seeds through a sieve over a bowl. Put half in a blender and blitz to break down the mixture, then return to the bowl along with the whole seeds. 
  
  Add the sea salt, malt vinegar and honey. Stir thoroughly and spoon 
  into sterilised jars.

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