Describe something familiar in an unusual way, and write the answer in spoiler tags. Hug the posts that you were unable to guess, and like the ones that you guessed.
I raise a non-animal organism from its embryonic form to maturity. I do this because I find the process enjoyable, and because in the process of reproducing, it forms a structure to hold the embryonic forms of its offspring, and that structure provides sustenance to my species.
I am a brown gift from Hashem, bedavka created for mothers in need. I come in many forms. On a Jewish holiday, I am round and flat. If you leave me in your pocket, I will (chas v'shalom) melt. Can you guess what I am?