HOW TO MAKE BEEF BIRRIA. My Recipe for Birria: (slow cooker:6-8 hours) (Pressure cooker: 1-2 hours) *onion, garlic,oil (saute) *3-4lbs of Beef (I used Angus) -brown with garlic and onion *7 Guajillo Chiles *7 Ancho Chiles -boil until soft, take off stems, blend with juice, BE CAREFUL, it's hot make sure you hold the top of your blender or wait til it cools before blending, set aside *All spice, coriander seed, whole cumin seed, whole pepper seed, cloves 1 Tsp each -put all into a cheesecloth *Fill cooker with water above the beef *1-2 cinnamon sticks *1 Bay leaf *4 TBS of Beef Bullion or you can substitute for beef broth but you will not put water -Add all into the cooker and stir well *add in spices in cheese cloth ensure submerged *strain chile mixture into the cooker and stir well! *cover, cook and enjoy!