Which vegetables you use is mostly about availability. Those used in this recipe work great in stocks, are widely available, and cheap. Feel free to use others vegetables as well. Fennel is a favorite of mine for stocks, though it is harder to find and a little expensive. Corn on the cob works well. Also cobs which have already had the corn kernels removed. There is still a lot of flavour to extract.
A good practice is to keep vegetable off-cuts in the freezer for your next stock. Whenever I cook asparagus, I cut off the woody ends, blanch them for a few seconds in boiling water, then freeze for use in a future stock. The de-kernalled corn cobs is another example, as are inedible mushroom stalks.
Not all vegetables will make a positive contribution to this salmon head stock. I would avoid using cabbage, cauliflower, brussel sprouts, or anything bitter.
Put aside what you need for your dish today or tomorrow, and once cool, transfer the rest to plastic bags and freeze.
Did you see the salmon eye peering above the surface of the stock?
Salmon head stock
- 1 kg Salmon head and other bones
- 4 leeks washed, trimmed, washed, and finely diced
- 1 large onion peeled, finely chopped
- 10 cloves garlic
- 5 stalks celery leaves discarded, washed and finely diced
- 5 carrots washed and finely chopped
- 4 tomatoes quartered
- 1 Tbsp black peppercorns
- 2 bay leaves
- 10 g butter
- 1 Tbsp olive oil
- 2 litres water
- Add the butter and olive oil to a large saucepan and put over a medium low heat until the butter melts
- Add the onion, celery, leeks, carrots, and garlic to the saucepan
- Sauté the vegetables until they start to soften, about 10 minutes. We want them to sweat, but not to brown.
- Add to the saucepan the salmon head and bones, and tomatoes. Cover and continue to sweat for 5 more minutes.
- Add 2.5 litres of water to the saucepan, together with the bay leaves and pepper.
- Add the bay leaves and pepper
- Bring to the boil then reduce to a simmer. You should only see an occasional bubble.
- Cook on a low simmer for 45 minutes, skimming off any froth as it accumulate on the top.
- Allow to cool for 30 minutes, then strain.
- Use, or cool in the refridgerator, or freeze, as soon as it is luke warm.