Fish glace - wilfriedscooking

Ingredients

• 3 lbs fish bones and or fish head (use white fish only)
• 1 medium brown onion
• 1 leek
• 1 medium fennel
• 2 stems celery or some celeriac
• 1/3 bunch thyme
• 1/3 bunch tarragon
• 2 bay leaves
• 1/2 tsp sea salt
• 1/2 tsp white pepper
• 1 tbsp olive oil
• 3 quarts (2.8 L) water
• 1/2 pint (0.23 L) white wine
• the filtered fish fumet from above
• sea salt
• 1 tbsp sherry vinegar