Measure out the strawberries and slice into small cubes. The bigger the cubes, the bigger the remaining pieces in the jam will be.
Add the erythritol to a spice grinder and grind until powdered. Take care when removing the lid! By letting the powder settle first, you will eliminate an unwanted cloud of sweetener.
Place the cubed strawberries into a pan over medium heat.
Add the powdered erythritol and mix well.
Let sit over the heat for a while. The strawberries will naturally release water and juice as they heat up.
Mash the strawberries using a potato masher (or fork) and allow the mixture to come to a boil.
Boil for about 5–8 minutes, until thickened slightly.
Measure out the chia seeds.
Add the chia seeds and water to the jam and stir for 1–2 minutes. Remove from the heat and let cool for about 15 minutes.
Transfer to a mason jar and serve or save for later. Enjoy!