Your Cool Home is supported by its readers. Please assume all links are affiliate links. If you purchase something from one of our links, we make a small commission from Amazon. Thank you!
How to Make Pumpkin Butter for Canning
To make pumpkin butter for canning, you’ll cook down pumpkin puree with sugar, spices, and a little acid until it’s thick and spreadable, then process the jars in a water bath canner.
The good news is that homemade pumpkin butter is one of the coziest fall projects you can tackle in your kitchen.
The slightly tricky news is that pumpkin butter counts as a low-acid food, so getting the canning part right matters if you want your jars to be shelf-stable and safe.
In this post, we’ll walk through how to make pumpkin butter for canning step by step, including the ingredients you need, the water bath process, and the safety rules that keep your spreadable gold from spoiling.
Let’s get into it.
Why Making Pumpkin Butter for Canning Works
Learning how to make pumpkin butter for canning is totally doable, and here’s why the process works so well:
1. Pumpkin Butter Is a Cooked-Down Fruit Spread
Pumpkin butter is made by slowly cooking pumpkin puree with sugar and spices until the mixture thickens and concentrates.
That long simmer does two things: it deepens the flavor into something rich and caramel-like, and it reduces the water content so the butter holds together on a spoon.
The result is a spread that’s thicker and more intense than plain pumpkin puree.
2. Sugar and Acid Help Preserve It
Sugar isn’t just for sweetness in pumpkin butter canning.
It binds water and lowers water activity, which makes it harder for spoilage organisms to grow.
Adding lemon juice or bottled citrus juice also lowers the pH, giving you an extra layer of protection.
That combo of sugar plus acid is a big part of why pumpkin butter can be canned safely when you follow tested ratios.
3. Water Bath Canning Seals the Deal
Once your pumpkin butter is jarred, a water bath canner finishes the job.
The boiling water heats the jars and forces air out, creating a vacuum seal as they cool.
That seal keeps air and microbes out, so your pumpkin butter canning efforts pay off with jars that sit happily in the pantry.
Ingredients and Equipment for Pumpkin Butter Canning
Before you start making pumpkin butter for canning, gather everything so the process runs smoothly.
1. What You’ll Need
– 8 cups pumpkin puree (canned or homemade, but not pumpkin pie filling)
– 3 to 4 cups granulated sugar, adjusted to taste
– 1/4 cup bottled lemon juice
– 2 teaspoons ground cinnamon
– 1/2 teaspoon ground cloves
– 1/2 teaspoon ground ginger
– 1/4 teaspoon ground nutmeg
2. Equipment Checklist
A heavy-bottomed pot, a water bath canner with a rack, mason jars, lids, bands, a jar lifter, and a funnel.
You’ll also want a long spoon for stirring, because pumpkin butter likes to spit as it thickens.
Step-by-Step: How to Make Pumpkin Butter for Canning
1. Cook the Pumpkin Butter
Combine the pumpkin puree, sugar, lemon juice, and spices in your heavy pot over medium heat.
Stir constantly until the sugar dissolves, then lower the heat and simmer for 30 to 45 minutes.
Keep stirring often so the bottom doesn’t scorch, and cook until the mixture mounds on a spoon.
2. Prep Jars and Lids
While the butter simmers, wash your jars in hot soapy water and keep them warm.
Simmer the lids in a small pot of hot water, but don’t boil them hard.
3. Fill and Process the Jars
Ladle hot pumpkin butter into hot jars, leaving 1/4 inch of headspace.
Wipe the rims, add lids, and screw on bands until fingertip-tight.
Process in a boiling water bath for 10 minutes, adjusting for altitude if needed.
Then let the jars cool undisturbed for 12 to 24 hours before checking the seals.
Tips for Safe Pumpkin Butter Canning
1. Stick to Tested Recipes
Pumpkin butter canning isn’t the place to freestyle.
Use a tested recipe from a reliable source, and don’t arbitrarily reduce the sugar or acid, since those ratios keep the product safe.
2. Don’t Add Thickeners
Skip flour, cornstarch, or arrowroot in canned pumpkin butter.
Those thickeners can change how heat penetrates the jar and throw off the processing time.
3. Store Jars Properly
Label your jars and store them in a cool, dark place for up to a year.
Once opened, keep pumpkin butter in the fridge and enjoy it within a few weeks.
So, How Do You Make Pumpkin Butter for Canning?
You make pumpkin butter for canning by simmering pumpkin puree with sugar, lemon juice, and warm spices until thick, then processing the filled jars in a water bath.
With tested ratios and proper processing, you’ll have jars of velvety pumpkin butter ready for toast, pancakes, and holiday gifts all season long.
Happy canning.