Do you blanch tomatillos?
Also question is, how do I prepare tomatillos?
To prep tomatillos, peel the husk and rinse off the sticky residue it leaves behind. You don't need to remove the seeds. If eaten raw, tomatillos can be a little acidic and sharp-tasting. When cooked, their flavor tends to mellow, letting their sweeter side shine.
Similarly one may ask, can tomatillos be frozen for later use?
Yes, you can freeze whole tomatillos in gallon bags for a few months, and they will be fine. But if freezer space is limited, as it is for many of us, cooking and pureeing the tomatillos and freezing in quart containers is a much more efficient use of space.
Add onions and radishes the next time you boil them down. I find cooking them with onion and radish helps take some of the brightness out of the tomatillos. Also, charring the tomatillos will help a bit, then finish with cilantro.