
Chicken stock is a versatile ingredient to have on hand, and canning it at home is a great way to make the most of leftover chicken bones. However, one of the challenges of canning chicken stock is dealing with the fat that rises to the top as the stock cools. While some fat can enhance the flavour of the stock, too much can cause issues with sealing and storage. So, how do you know if you need to separate the fat when canning chicken stock?
| Characteristics | Values |
|---|---|
| Excess fat | Excess fat is a relative term and depends on the person. However, if there are a couple of inches of fat on top of the broth, it is considered excess and should be removed. |
| Reasons for removing excess fat | Excess fat can creep up and become the bond breaker between the rubber seal of the lid and the rim of the canning jar. |
| Headspace | The space between the broth or stock and the lid of the jar. The proper headspace is necessary for the expansion and contraction of the contents during processing. Adjusting the headspace is not recommended while canning chicken stock. |
| Recommended fat removal methods | Cool the broth or stock overnight in the refrigerator to solidify the fat and make it easier to remove. Strain the fat using a fine mesh sieve or cheesecloth. |
| Alternative fat removal methods | Use an ice bath to cool the broth or stock instead of refrigerating. |
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What You'll Learn

The importance of removing fat from chicken stock
Removing fat from chicken stock is important for several reasons, including food safety, aesthetics, and personal preference. Here are some key points highlighting the importance of this process:
Food Safety
The removal of excess fat from chicken stock is crucial to ensure the safety of canned goods. During canning, the fat can act as a "bond breaker," preventing the rubber seal of the lid from properly adhering to the rim of the jar. This can lead to premature spoilage and increase the risk of bacterial growth, potentially causing foodborne illnesses. By removing the fat, you help maintain the integrity of the seal and reduce the chances of contamination.
Aesthetics and Presentation
Chicken stock with excessive fat can have an unappealing appearance. The fat can make the stock look overly oily or dark, detracting from its visual appeal. By removing the fat, you create a clearer, more aesthetically pleasing broth. This is especially important if you plan to gift the canned chicken stock or present it at culinary events.
Personal Preference and Culinary Flexibility
Removing the fat from chicken stock allows for greater flexibility in your cooking. You can choose to use the chicken fat, known as schmaltz, separately as an ingredient in various dishes. Schmaltz can be used for frying, making roux, dumplings, or matzo balls, adding a unique chickeny flavor to your recipes. By separating the fat, you have the option to use it in other ways while still maintaining a low-calorie stock for your everyday meals.
Canning and Storage
When canning chicken stock, removing the fat is essential to ensure proper headspace. Headspace refers to the space between the broth and the lid, which is necessary for the expansion and contraction of the liquid during processing. Excess fat can take up valuable headspace, leading to unsafe canning practices. By removing the fat, you ensure that your canned chicken stock adheres to safe canning guidelines.
In summary, removing fat from chicken stock is important for food safety, maintaining proper canning practices, improving aesthetics, and providing culinary flexibility. By separating the fat, you not only create a safer product but also expand your options for using the chicken fat in other delicious ways.
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How to remove fat from chicken stock
Removing fat from chicken stock is important to preserve the integrity of the flavours in the stock. While it is not necessary to remove all the fat, excess fat can cause issues during the canning process.
The usual advice for removing fat from chicken stock is to refrigerate the stock overnight. This causes the fat to solidify, making it easier to remove. You can then use a spoon to scoop the fat off the top of the stock. If you are having trouble skimming the fat off the top, you can try refrigerating half of the stock and freezing the other half. The frozen stock will make the fat more brittle and easier to remove. You can also use chilled metal spoons to skim the fat off the top of the stock, switching them out for a different spoon from a glass of ice water as needed.
Another method for removing fat is to use a fine mesh sieve to strain the stock. You can also strain the stock through cheesecloth to further reduce cloudiness.
When canning chicken stock, it is important to leave the proper amount of headspace between the broth and the lid. This space is necessary for the expansion and contraction of the broth during the canning process. Excess fat can creep up and interfere with the seal between the lid and the jar, so it is generally recommended to remove as much fat as possible before canning.
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$1.35

How to preserve chicken stock fat
Preserving chicken stock fat is a straightforward process. Firstly, it is important to cool the stock, as this will cause the fat to solidify and rise to the top, making it easy to remove. You can then use a spoon to skim the fat off the top and preserve it in a separate jar. If you are canning your chicken stock, it is recommended to remove as much fat as possible, as excess fat can prevent a good seal from forming on the lid of the jar. However, some people choose to preserve the fat separately and then add it back into their dish when consuming it.
If you are canning chicken stock, it is important to leave a one-inch headspace between the broth and the lid of the jar. This space is necessary for the expansion and contraction of the liquid during the canning process. It is also important to note that meat stocks are low-acid foods, and therefore, a pressure canner must be used to heat the contents to a high enough temperature to kill bacteria.
To preserve chicken stock fat, you can follow these simple steps:
- Cool the chicken stock in a refrigerator overnight to allow the fat to solidify and rise to the top.
- Use a clean spoon to skim the fat off the top of the stock.
- Place the skimmed fat in a separate jar or container.
- Store the jar of fat in the refrigerator or freezer, depending on how long you plan to preserve it.
It is important to note that the longer you store the chicken stock fat, the more likely it is to develop rancid flavours. Therefore, it is recommended to use the preserved fat within a few weeks for the best flavour and quality.
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Uses for chicken stock fat
When making chicken stock, it is recommended to remove the excess fat before canning. This is because the fat can become a bond breaker between the rubber seal of the lid and the rim of the canning jar. However, some people choose to keep the fat in their chicken stock, especially those who want to consume the fat or use it in other dishes.
Cooking
Chicken fat can be used as a cooking fat in various dishes. Some people use it as a replacement for butter when making a roux, gravy, or potato soup. It can also be used for frying foods, such as dumplings or vegetables. Chicken fat can add a savoury, chickeny flavour to dishes. However, it is important to use chicken fat in moderation and to pair it with foods strategically, as it may overpower other ingredients.
Baking
The fat can be used in baking, such as in pie crusts or cookies, without imparting a strong chicken flavour. However, it is important to use unflavoured fat to avoid any undesirable tastes in baked goods.
Feed for Pets
Chicken fat can also be used as a nutritious addition to pet food, as mentioned by a user who noted that their cat enjoys it.
Skin Care
In addition to culinary uses, chicken fat can be utilised in skincare routines. One commenter mentioned using chicken fat as a moisturiser, applying it directly to their skin.
Soap and Candle Making
Chicken fat can be used to make soap and candles, although specific instructions and safety guidelines should be followed for these processes.
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How much headspace to leave in the jar
When canning chicken stock, it is important to leave some space between the stock and the lid of the jar, known as the "headspace". This space is necessary to allow for the expansion and contraction of the stock during the canning process. The generally recommended headspace for canning chicken stock is 1 inch (2.5 cm). This measurement ensures that the jars can be properly sealed and helps prevent premature spoilage of the stock.
Leaving the correct amount of headspace is crucial for the canning process, as insufficient space can lead to seal failure and potential contamination of the contents. On the other hand, too much headspace can result in an improper seal and may affect the quality and safety of the canned goods. Therefore, it is essential to follow the recommended headspace guidelines for the specific type of food being canned.
When canning chicken stock, it is advisable to remove excess fat from the stock before filling the jars. Fat can act as a bond breaker between the rubber seal of the lid and the rim of the jar, compromising the seal's integrity. By removing the excess fat, you can help ensure a better seal and prolong the shelf life of your canned chicken stock.
However, it is essential to note that the definition of "excess" fat is relative and depends on individual preferences. Generally, a couple of inches of fat floating on top of the broth is considered excessive and should be removed. This can be done by skimming the fat off the cooled stock or by letting the stock cool and removing the solidified fat. Some people choose to preserve the removed fat for other culinary purposes, such as making gravy or dumplings, or even for making soap and candles.
In summary, when canning chicken stock, it is crucial to leave the recommended 1-inch headspace in the jar for proper sealing and expansion during processing. Additionally, removing excess fat from the stock before canning can help ensure a better seal and prevent spoilage. By following these guidelines, you can safely and effectively can your homemade chicken stock for future use.
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Frequently asked questions
Excess fat can creep up and break the bond between the rubber seal of the lid and the rim of the canning jar.
"Excess" is a relative term and there is no specific definition. However, if there are a couple of inches of fat on top of the broth, it is considered excess.
After making the stock, chill it overnight in the refrigerator. As the stock cools, the fat will rise to the top and can be skimmed off easily.
The fat skimmed from chicken stock, called schmaltz, can be refrigerated for several months and used for frying foods, creating a roux, or as an ingredient in baked goods.











































