Glasm�starsill

• 4 matjes herring fillet (canned)
• 2 herring (salted)
• 2 bay leaves
• 1 1/2 horse (fresh)
• 1 1/4 ginger root
• 180 ml vinegar (white)
• 120 ml water
• 100 gr sugar
• 30 gr prepared horseradish
• 5 ml mustard seeds (whole yellow)