Prepare & Toast the ChiliesBegin by removing the stems and seeds from the dried chilies. In a hot, dry skillet, toast the chilies for about 30 seconds on each side or until auromatic. After toasting, place the chilies in the slow cooker.
Saute & SeasonHeat 1 tbsp of vegetable oil to a skillet and saute sliced onions and garlic for 4 minutes. Add in 2 bay leaves, cinnamon, oregano, cumin seeds, coriander, and tomato paste and saute for another 2 minutes. Add the mixture to the slow cooker on top of the chilies.
Add the BasePour 2 cups of chicken or beef stock, 2 tbsp apple cider vinegar, 1 tbsp soy sauce, and mix with the onion and chili mixture.
Brown MeatSeason the meat with salt and pepper on each side. Heat another tbsp of vegetable oil to the same skillet. Brown each side of the meat for 5 minutes and layer into the slow cooker.
Cook in the slow cooker on high for 7-8 hours.
Shred Beef & Prepare Birria SauceRemove and shred the beef. Meanwhile, discard the bay leaves. Blend the reminding birria sauce with an immersion hand blender or standing blender. Add salt and pepper to taste. Pour some sauce to the beef, and set aside the rest.
Assemble Your TacosWarm the corn tortillas on a clean, hot skillet for about 30 seconds on each side until they're soft and pliable. Fill each tortilla with a generous amount of the shredded beef birria.
Garnish your tacos with diced onion, fresh cilantro, cheese, and a squeeze of lime juice for an extra burst of flavor. In a small bowl, pour birria sauce to dip the tacos.
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