Recipe for Canning Delicious Caramelized Onions
This recipe for canning delicious caramelized onions is a great and easy canning recipe.
Caramelized onions are onions that have had the natural sugars within them caramelize from cooking them a long time with a slow heat process.
Since it takes so long to cook caramelized onions to get the best result, it is a great idea to can them to have them on hand in the pantry when you are ready to use them!
Caramelized onions are the perfect topping for steaks, hamburgers, hot dogs, and wraps. Plus they are delicious on a Philly cheesesteak sandwich, on a baked potato or with mashed potatoes or even with scrambled eggs. The onions can also be used to make a delicious French onion soup.
Ingredients for Canning Delicious Caramelized Onions
- Sliced Onions
- Butter
The amount of onions and butter depends on the quantity that you want to can. I used 3 pounds of onions and it made 5 half-pint jars.
Detailed Steps for Canning Caramelized Onions
First, peel and slice the onions. Add the onions to a crock pot.

Add butter to the onions. For my 3 pounds of onions, I added 1 1/2 sticks of butter.

Cook the onions on high in the slow cooker for 6 to 10 hours. If necessary, turn down to low.
Once the onions are a nice brown color, they are ready to can.

Fill the canning jars, using a canning funnel.

Remove the air bubbles, wipe the rims of the jars and add the lids.
Onions are low acid foods and requires pressure canning. See my article on beginners guide to canning for a complete guide on canning.
Place filled jars into the pressure canner and process according to your canner’s manufacturer’s instructions. The processing time for half pint jars is 70 minutes and pint is 75 minutes.
I use the NESCO Electric Pressure Canner. I have included step by step instructions on how to use the NESCO Electric Canner on my website.
When the canning process time is complete and the canner has had time to depressurize, remove the hot onions with a jar lifter and place the canning jars of caramelized onions on a dish towel on the counter and do not disturb for 24 hours.

Delicious Results
The final product after canning the caramelized onions is delicious!

As discussed above, the onions are a great topping on steaks, hamburgers and hot dog or to make a delicious French onion soup!
Home food preservation is such a great way to save on the grocery store and have shelf stable and healthy meals and other food ready to eat in your pantry.
For more of my home canning recipes and other favorite recipes, plus posts about other homestead-type activities, such as gardening and raising chickens, go to my website at www.HawkPointHomestead.com. For updates, please follow my Facebook page at Hawk Point Hobby Homestead.

Caramelized Onion Canning Recipe
This recipe for canning delicious caramelized onions is a great and easy canning recipe. Caramelized onions are the perfect topping for steaks, hamburgers, hot dogs, and wraps. Plus they are delicious on a Philly cheesesteak sandwich, on a baked potato or with mashed potatoes or even with scrambled eggs. The onions can also be used to make a delicious French Onion soup.
Ingredients
- 3 pounds sliced onions
- 1 1/2 sticks butter
- Optional: Use the amount of onions that you want to can, the 3 pounds made 5 half-pint jars.
Instructions
- Slice the onions and add to a crock pot.
- Add butter.
- Cook on high for 6 to 10 hours until the onions turn brown and are caramelized.
- Add the onions to canning jars using a canning funnel. Leave 1-in headspace.
- Remove the air bubbles, wipe the rims of the jars and add the lids.
- Add the jars to the pressure canner and process according to manufacturer's instructions.
- Process time for pint jars is 75 minutes and half-pint jars is 70 minutes.
- When the canning process time is complete and the canner has had time to depressurize, remove the hot jars with a jar lifter and place the canning jars of hot beans on a dish towel on the counter and do not disturb them for 24 hours.








