Absolutely the best...we ate these two nights in a row. Added some cheese while the tortillas/birria were browning and served with chopped red serrano peppers and cilantro.Thanks for sharing, Mike!- Dana Krystofek
– Soak the peppers.
– Cook the tomatoes, onions and garlic.
– Add the cooked onion, tomatoes and garlic to a food processor, along with the softened chilies, seasonings, vinegar and beef stock. Process until smooth.