question: What is a good beer pairing for Ancho chilli beef taco?
answer: A great choice for Ancho chilli beef taco is Paradox Islay (Ubiquitous Imperial Stout.). Here's the recipe:
  A Ubiquitous Imperial Stout. with 10% ABV. Uses 7 malts and 4 hop varieties. Brewing tip: The beauty of this beer is in how brilliantly it lends itself to infusing or ageing. Experiment with different additions when the beer is ageing, taste it regularly to gauge its progress, and make sure you package it at its peak.