I am so bad about my microgreens. I do them, and then instead of using them for myself, or my husband I wind up taking them outside and giving them to my chickens.

There are quite a few videos on YouTube with them. I do something similar in that I have a compost bin inside my garden beds, but I don't have the keyhole itself. But I think the idea behind it is similar. I did it because it was easier for me than having larger compost bins since it's only my husband and myself now. Good luck!