Beef bone broth is a low-acid food, so a pressure canner is the only tested way to make it shelf-stable. The National Center for Home Food Preservation processes it as meat stock: strain and defat the liquid, hot-pack it with 1 inch of headspace, then process pints for 20 minutes or quarts for 25 minutes. Up to 1,000 feet, that is 10 pounds on a weighted-gauge canner or 11 pounds on a dial-gauge canner. A boiling-water canner cannot make this product safe, no matter how long the jars sit in boiling water.
Those short times apply only to plain stock. Meat chunks, vegetables, noodles, rice, or a finished soup are a different product and need a different tested process. Most seal failures on broth come from fat left on the rim, not from the canner.
Why beef bone broth cannot be water-bath canned
Beef stock sits well above the acidity line that makes boiling-water canning work. Low-acid foods, including meat stock, can support Clostridium botulinum spores. Those spores are not destroyed at the temperature of boiling water. Pressure canning is the only method USDA and the CDC recommend for low-acid foods, because the sealed canner reaches temperatures high enough to destroy the spores.
A long simmer on the stove, an Instant Pot batch, or an overnight boil in a water-bath canner does not replace that step. Electric multi-cookers are also not a substitute for a pressure canner. They are not built to vent and hold the regulated pressure a tested process requires. Use a stovetop pressure canner with a dial gauge or a weighted gauge, and follow that canner’s manual for loading and locking the lid.
What “bone broth” means in a canning recipe
In the kitchen, bone broth usually means beef bones simmered long enough to pull out collagen, so the cooled liquid gels. In the canning guide, that product is meat stock. The tested beef method is simple: crack or saw fresh trimmed beef bones to expose more surface, rinse them, cover with water, and simmer 3 to 4 hours. Cool the broth, skim the fat, reheat to boiling, and jar it.
A 12- to 24-hour simmer is a flavor and texture choice many people use to get a firmer gel. It does not change the canning rule. The jar still has to match the tested product: strained liquid, excess fat removed, and at most the tiny meat bits still clinging to the bones. The official method allows those tidbits to be returned to the broth. It does not allow chunks of meat, vegetables, garlic cloves, noodles, rice, barley, or cream.
If the jar contains solids, heat moves through it differently. That jar is soup, not stock, and the 20- and 25-minute times no longer apply. Use a tested soup recipe and its longer process instead of adding extras to a stock jar.
Roasting the bones first is optional. It deepens color and flavor and still fits the process if you then simmer, strain, defat, and hot-pack the liquid. A splash of vinegar in the simmering pot is a common culinary step for extraction. It does not acidify the broth enough to make water-bath canning safe.
How to prepare the broth so the jars seal
Fat is the practical problem with beef bones. Marrow, knuckle, and oxtail throw off more fat than a poultry carcass. Fat on the rim blocks the seal. A heavy fat layer in the jar also shortens good flavor in storage, because fat turns rancid faster than the stock around it.
The reliable sequence:
- Strain the finished broth through a fine sieve. Do not press the solids. Pressing pushes sediment and fat into the liquid.
- Chill it until the fat hardens into a cap. Overnight in the refrigerator is the cleanest method. Skimming a hot pot works if you cannot chill it, but it leaves more fat behind.
- Lift off the cap and discard it, or save it for cooking outside the jar. Leave the stock as clear as you reasonably can. A faint film is common. A thick white layer is not.
- Reheat the defatted stock to a full boil just before jarring. This is a hot pack. Do not pack cold broth.
Jars only need to be clean and hot. Pressure processes longer than 10 minutes, so pre-sterilizing jars is unnecessary. Wash modern two-piece lids. Do not boil them. The sealing compound on current lids can be damaged by a pre-boil.
Pressure canning steps
Have the canner ready before the stock returns to a boil. Put the rack in, add the amount of water your canner manual specifies (often about 2 to 3 inches), and warm it. Cold jars in a boiling canner, or boiling stock in cold jars, are how glass breaks.
Work in this order:
- Ladle boiling stock into hot pint or quart jars. Leave 1 inch of headspace. Half-gallon jars are not tested for meat stock.
- Run a bubble tool around the inside of the jar and recheck the headspace. Stock holds less trapped air than raw meat, but a low headspace still causes siphoning.
- Wipe each rim with a clean paper towel dampened with hot water. A towel dipped in white vinegar cuts the last film of fat better than water alone. The rim has to be clean and dry before the lid goes on.
- Set on a new flat lid and a band screwed to fingertip tight. Over-tight bands trap air and worsen liquid loss. Loose bands fail to seal.
- Load the jars so they do not touch. Lock the lid.
- Vent the canner for a full 10 minutes. Leave the vent port open until a steady, funnel-shaped column of steam is escaping, then start the timer. USDA requires this vent on every pressure canner so air leaves and the canner is processing with steam, not an air-steam mix.
- Place the weight or close the petcock. Bring the canner to the pressure for your altitude and gauge type. Start the process clock only when that pressure is reached.
- Hold the pressure steady. If it drops below the required level, bring it back up and start the full time over. A weighted gauge that rocks or jiggles gently is doing its job. A dial that climbs far above the target wastes liquid and can undercut seals.
- When time is up, turn off the heat. Let the canner depressurize on its own until the gauge reads zero. Do not run cold water over the canner or open the vent early. Forced cooling is a known cause of siphoning and of underprocessing.
- Wait a few minutes after the pressure hits zero, open the lid away from your face, and let the jars rest in the canner about 10 minutes. Lift them straight up onto a towel. Leave 1 inch between jars. Do not tighten bands or press the lids while they are hot.
Leave the jars undisturbed for 12 to 24 hours. Then remove the bands, wipe the jars, and test each seal. A sealed lid is concave and stays down when pressed. Label with the contents and date.
Processing times and altitude pressures
Time does not change with elevation. Pressure does. These figures are the National Center for Home Food Preservation recommendations for hot-packed meat stock, adapted from the USDA Complete Guide to Home Canning.
| Gauge | Jar | Time | Pressure by elevation |
|---|---|---|---|
| Dial | Pints | 20 min | 0–2,000 ft: 11 lb; 2,001–4,000 ft: 12 lb; 4,001–6,000 ft: 13 lb; 6,001–8,000 ft: 14 lb |
| Dial | Quarts | 25 min | Same pressures as pints |
| Weighted | Pints | 20 min | 0–1,000 ft: 10 lb; above 1,000 ft: 15 lb |
| Weighted | Quarts | 25 min | 0–1,000 ft: 10 lb; above 1,000 ft: 15 lb |
A weighted gauge only offers fixed settings, usually 5, 10, and 15 pounds. Above 1,000 feet you use 15 pounds, not a guess between 10 and 15. Dial-gauge canners should be checked for accuracy about once a year. A dial that reads low will underprocess the jars even if the needle looks right. Above 8,000 feet, use guidance written for that elevation rather than extending this table on your own.
What a normal jar looks like
Good beef bone broth often sets to a soft or firm gel in the jar. That gel is collagen. It liquefies as soon as the jar is warmed. It is not a sign of spoilage.
A thin line of fat, a darker color from roasted bones, and a little mineral sediment on the bottom are also normal. Cloudiness by itself is not a reason to discard a sealed jar. What matters is the seal and the usual spoilage signs: a lid that has popped, mold, rising bubbles after storage, a broken seal, liquid that spurts on opening, or an off smell. Discard any jar with those signs without tasting it. Botulinum toxin cannot be seen or smelled.
The CDC’s prevention advice is to follow a USDA-based process exactly. As a further precaution, boil home-canned low-acid food for a full 10 minutes before eating it, adding 1 minute per 1,000 feet of elevation. Boiling destroys toxin if it is present. It does not fix a jar that was never processed correctly, and it is not a reason to skip pressure, time, or altitude adjustments.
Storage, and how this compares with freezing
Store sealed jars without the bands, in a cool, dark place. The CDC advises canning only what you expect to use within a year, labeling and dating every jar, and keeping storage between 50°F and 70°F. Do not store jars above 95°F, next to a furnace or hot pipes, or in direct sun. Quality is best within that first year if the seal stays intact. A jar that loses its seal in storage should be discarded, not re-boiled and put back on the shelf.
Freezing is the right choice if you do not own a pressure canner, if the batch has vegetables or noodles already in it, or if you want the fat left in for cooking. Leave headspace for expansion, and expect best quality in a few months rather than a year on the shelf. Canning wins when freezer space is the limit and the product in the jar is plain stock.
Problems that show up after the canner cools
The lid did not seal. Refrigerate the jar and use it within a few days, or reprocess within 24 hours with a new lid for the full original time. Check the rim for chips and for fat before you blame the canner.
Liquid boiled out, but the lid sealed. Siphoning usually traces to a headspace under 1 inch, a pressure spike, or a canner that was cooled too fast. A sealed jar that still has most of its liquid, from a process that was held at the right pressure for the full time, is generally kept. Heavy liquid loss is a quality problem and a signal to change the next batch: more headspace, a steadier pressure, and a natural cool-down.
The broth never gelled. The canning process can still be correct. Gel depends on the bones and the simmer, not on the canner. Knuckles, feet, and joints gel more readily than bare marrow bones from a short simmer. A broth that stays liquid is usable stock.
Bands feel loose after cooling. Leave them off. A stored band can hide a failed seal and rust onto the lid.
The jar looks greasy under the lid. That batch needed a harder chill and a vinegar wipe. Use it sooner rather than holding it for the full year, and defat the next pot more thoroughly.
Questions readers ask after the first batch
Can I can the broth in the same pot I cooked it in? Only if that pot is a pressure canner rated for home canning, loaded and vented by its manual. A stockpot, a water-bath canner, and a standard electric pressure cooker are not.
Can I add salt, pepper, or a bay leaf? Salt is optional and is for taste, not safety. Dried herbs in a small amount are a common kitchen addition, but the tested stock method is plain liquid. Do not add flour, cornstarch, dairy, or thickeners. There is no tested process for those in home-canned broth.
Why are quart times only 5 minutes longer than pints? Stock is a thin liquid, so heat reaches the center of a quart faster than it reaches the center of a jar packed with meat. That is also why you cannot borrow the stock time for a jar of beef stew.
The lid sealed and then unsealed a day later. Is it safe? No. Treat a lost seal as spoilage. Discard the contents where pets cannot reach them.
Do I have to crack the bones? The tested beef method says to saw or crack them so more flavor is extracted. Whole bones still produce stock, and the canning time does not change, but cracked bones match the preparation the process was written for.