Herring oil with mustard and milk

For herring oil, it is better to use barrel herring, it is more aromatic, fatter than fillet. Often housewives soak fillets of cut barrel herring in milk to give it a softer and less salty taste. In this recipe, it was the herring soaked in milk that was used.

Ingredients

• 200 g butter
• 60 g salted herring fillet
• mustard to taste
• some milk

Directions

1. Soak the herring in milk in advance, leave for 2 hours.
2. Wipe the herring with a napkin and grind in a blender.
3. Add mustard and softened butter. Whisk everything together in a blender until smooth.
4. The oil is ready. Now you can put it in the refrigerator.