Place the diced persimmons and lemon juice in a thick-bottom saucepan. Stir well.
Bring to a boil over medium-high heat, then lower the heat and continue cooking for 20-25 minutes on medium-low heat.Keep stirring the fruit and mashing it as it cooks with a wooden spoon or potato masher or fork.
You may need to add 2-3 tbsp of water if the mixture is getting too thick.
When the fruit is cooked through, add the chia seeds and cook for another 5 minutes.
Take the jam off the heat and let it cool for a few minutes. Transfer to a blender and process until smooth.
Transfer to a clean, sterilized jar, close the jar, and let the jam cool at room temperature. Store in the refrigerator. Enjoy!
Video
Notes
Choose very ripe Fuyu persimmons to make this jam. The riper the fruit, the sweeter they are.
Taste your persimmons. They are usually very sweet. However, if you don't find them sweet enough, you can add some sugar to the saucepan along with the fruit and lemon juice.
If you like a chunky texture, you don't need to blend it. Mash with a fork or wooden spoon and then transfer to a jar.
This persimmon jam will last up to 2 weeks in the refrigerator. You can follow the proper canning process to make it last longer.