Kefir Panna Cotta with Cardamom Plums

This is the fourth panna cotta recipe on this blog, and one I am delighted with. I used tart, creamy kefir as the main dairy ingredient, and lowfat milk to keep the flavors light and focused.  I modified my buttermilk panna cotta recipe, substituting  kefir for the buttermilk.  I topped this light and refreshing panna cotta…