What to do with Leftover Birria When I began this article, I had never heard of birria. I started reading up on this rich Mexican stew and my mouth started watering. In fact, as soon as I finished all the research, I wrote a grocery list. Now, as I type this, a cast-iron dutch oven full of birria is simmering away on my stove. I can’t wait for dinner. I made a huge pot full of this rich stew, and I am hoping for leftovers so I can enjoy it again later in the week. Read it