Sanitize your mason jar by pouring hot water into it and leaving it for 1-2 minutes, then drain and let cool. We used 25 oz mason jars with 2.75” lid or you can use a small piece of cheese cloth.
Soak the broccoli sprouting seeds in the jar submerged in filtered water, and close the mesh lid for about 5 hours.
Drain the water through the mesh lid, submerge it with fresh filtered water, swirl, then drain it (tap the jar upside down to get as much water out as possible). Then roll the jar around to separate the seeds while sticking to the sides of the jar. Leave the jar upside down in a bowl at an angle (this allows any remaining water to drip out).
Continue this process twice daily; every day, your sprouts will grow a bit more by day 4 they have filled your entire jar.
Transfer to a container lined with a towel and store in the refrigerator for up to 5 days.