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Stock, broth or bouillon is used as the basis for most soups, and in many dishes as a flavouring or base (e.g. risotto). Stock is made by cooking ingredients such as meat, poultry, fish or vegetables in water to flavor the water. The ingredients are removed at the end. Because the flavour of the ingredients is the only thing that matters, stock is often made with left over-ingredients and by-products such as bones, that couldn't be used elsewhere.
Stock can be made with a stock cube or extract, but for best results, make your own. If you cannot, a jar of fond (condensed stock) is the next best thing.
Vegetable Stock[edit | edit source]
This article starts with vegetable stock because most non-vegetarian stocks will use some amount of vegetables as well, to add depth to the flavor, so this information is useful for all stocks. Home-made vegetable stock will have a relatively weak flavor, but a strong aroma.
The basic ingredients for a vegetable stock are onion, carrot, leek, and celery. It is perfectly possible to make a good stock without any of these, but they are the classic 'backbone' of making stock and almost all vegetable stocks will contain at least two. Other ideas for vegetables are:
Keep the following in mind when choosing ingredients:
About 750 grams/26 ounces of vegetables per liter of stock should suffice.
To 'round off' the flavour of the stock some herbs and spices are usually added. Some of these will dissolve (like salt), for others it's best to create a little 'bag' - for example by wrapping the herbs in a leek-leaf with a bit of string - so you can easily fish them out later. Such a bag is called a 'bouquet garni'. Some good herbs to use are:
Preparing stock is as simple as putting the ingredients in a pot (preferably large and thick, like a Dutch oven). Pouring over cold water (it needs to be cold). Bringing the water to a simmer and waiting anywhere from 30 minutes to an hour, depending on how much stock you're making, and how strong you want it to be. Do not let vegetables simmer for more than an hour or the flavour will become wilted and sour. Some additional notes:
The stock should be tasted to see if it's ready. When it is, pass it through a sieve to get rid of the large ingredients. If the sieved stock isn't clear yet, put a wet tea towel in the sieve (or a cheesecloth if you have one) and pass the stock through it again. Instructions for clarifying the stock further and getting rid of the fat are given below.
Fish[edit | edit source]
Fish stock should generally be made using "white" fish bones like haddock, flounder, cod or snapper, although some Japanese recipes use tuna or similar species for a highly flavored specialized stock. Shellfish stock is generally made the same way as fish stock. Combine fish bones or shellfish shells with cold water to cover and add some diced mirepoix (carrots, celery and onion). Bring to a simmer, skimming as necessary and simmer for 40 minutes. Strain the stock and cool it. There are many options:
Poultry[edit | edit source]
Here's the basic method for chicken stock, which you can adapt for other poultry.
After you've eaten a chicken, don't throw away the carcass. Put it in a pressure cooker or a large saucepan, and add enough cold water to cover. Add some fresh herbs (basically, whatever is to hand, and whatever you like, but I tend to use bay leaves and sage, because they're always in the garden) maybe a roughly chopped onion, a carrot and a stick of celery, and bring to the boil. Pan drippings are very good to add, as long as they are not too burned.
If you use a pressure cooker cook at pressure for 30-40 minutes, in a saucepan let the stock simmer very gently for at least three hours (but no longer than four lest the bones cloud the stock and overpower the flavour). Drain the liquid through a sieve into another pan. You can use the stock immediately, or cool it as quickly as possible (stand the pan in a bowl of cold water) and refrigerate or freeze it.
A pressure cooker is ideal for stock making - the cooking time comes down from several hours to about 30-40 minutes, with considerable saving of time and energy (= less carbon emissions).
Meat[edit | edit source]
Beef, mutton and pork broths are made by slowly simmering meat (do not remove gristle - it contains collagen) with vegetables and flavourings. Do not add salt at this stage, it should only be added when the stock is being used in a recipe. Use cold water and warm slowly - this prevents the meat from sealing.
If bones are used in stock they may be roasted and cracked before simmering.
In a pressure cooker broth takes 45-60 minutes, stock with bones 75-120 minutes. If an open pan is used the liquid should barely be moving, and certainly not boiling fast, and times of several hours for broth and 7-10 hours for bone stock are not excessive.
Defatting and Clarifying[edit | edit source]
To get most of the fat out of a stock, you can simply chill it. The fat will harden and float on top of the stock where it can be scooped off easily. One can also use a fat separator, which is like a big measuring cup with a siphon from the bottom, which allows you to pour the stock out while trapping the fat.
To completely clarify stock, use the following method:
Glace and Consommé[edit | edit source]
A glace is made by reducing a stock down (gently, stocks shouldn't boil) to about a quarter or less of its original volume. glace can be used as a basis for sauces, or simply to facilitate storage, and turned in to stock again by adding water.
A consommé is the result of the clarification process that uses egg whites and a fine dice of mirepoix to create a raft. this raft traps and removes impurities from a stock result in the classic clear quaity of a consommé
Storage[edit | edit source]
Stock will keep for about a week in the refrigerator. Frozen stock will keep for around six months.
Notes, Tips and Variations[edit | edit source]
See Also[edit | edit source]