Add Sugar & Cook Mixture

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Simple preserves: How to make blackberry Jam and Jelly!

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What happens here

Add an equal volume of sugar to the mashed blackberries in the large cooking pot (e.g., if you have 4 cups of mashed berries, add 4 cups of sugar). Mix the sugar thoroughly into the berries. Place the pot on the stove over medium-high heat. Continuously stir the mixture with a wooden spoon, ensuring to scrape the bottom and corners of the pot to prevent sticking. Allow the mixture to boil down, which will take approximately 35-45 minutes or longer. The foam that appears on top during boiling is normal. Taste the mixture periodically; it will be tart until cooked sufficiently and pectin is released. Do not add water or commercial pectin, as natural pectin in the fruit will activate during cooking. If making jelly, you'll separate the juice later; for jam, this is the final cooking step.

Goal: Combine the mashed blackberries with an equal volume of sugar and cook the mixture on the stove until it reaches the desired jam/jelly consistency.

Tools and materials

Large cooking pot
Measuring cup
Wooden stirring spoon
Granulated sugar

What they say

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our sugar in this is going to seem like a lot of sugar equal parts sugar to blackberries so in other words three and a half of these full one quart mixing jars and we'll go ahead and start mixing that in mushing it in together you don't need to add water and we don't need to add pectin because pectin is naturally occurring in the fruit so as we cook it down the pectin will come out and that will cause our jelly and jam to be thickened and stay upright in the jar and spread awesome just keep on working it you can see the consistency is nice and it's gonna be oh it's gonna be delicious man still a little tart because again it takes a lot of sugar to make this jam a little more sugar oh look at that it's like it's snowed on the blackberry farm here yeah a little more equal parts keep on mixing we can go ahead and put this on the eye on the stove and keep on smushing and mixing we're gonna put it on a medium high heat okay and we're gonna keep on stirring so make sure you size your eye appropriately to the uh size pot you have also okay and those of you who don't think you can can on a flat top stove here's proof if i had gas i'd be using gas but i don't have it this is going to cook down probably over 35 45 minutes maybe even a little bit longer we want to sterilize it by cooking the crap out of it and we want to make sure we kill all the germs in there and want to get it hot enough so that the jars will seal up

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