Slow cooker birria tacos pair shredded beef chuck with a guajillo-and-ancho chile broth and corn tortillas crisped in a skillet. Cilantro and lime brighten the finished tacos, while small bowls of the cooking liquid make a savory dipping sauce.
The beef cooks gently while you get on with the rest of the day, but the tortilla step needs your attention just before serving. A brief dip adds color and flavor; a lightly oiled pan supplies the fat needed to turn that coating into a browned, crisp surface.
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Why This Recipe Works
Chuck roast has connective tissue that softens during a long, moist cook. Guajillo chiles bring fruity flavor, while ancho chiles add a deeper, rounded taste. Softening the dried peppers before blending helps make a smoother broth, and serving the tacos straight from the skillet keeps their edges crisp.
Ingredients
Main Ingredients
- 2 lbs beef chuck roast
- 6 dried guajillo chiles
- 4 dried ancho chiles
- 1 onion, quartered
- 4 cloves garlic
- 2 bay leaves
- 1 tablespoon cumin
- 1 tablespoon oregano
- 4 cups beef broth, divided, 1 cup for blending and 3 cups for the cooker
- Salt and pepper, to taste
- corn tortillas, as needed for 6 portions
- fresh cilantro, for garnish
- lime wedges, for serving
As Needed
- water, for soaking the chiles
- cooking oil, as needed for frying the tacos
How to Make Slow Cooker Birria Tacos
1. Soften the chiles. Remove the stems and shake out the seeds from both kinds of dried chile. Cover them with water in a saucepan, bring to a boil, then take the pan off the heat and leave them covered for about 20 minutes, until flexible. Drain them. Soft peppers blend more evenly than brittle ones and are less likely to leave leathery pieces in the sauce.
2. Blend and braise. Blend the drained peppers, onion, garlic, cumin, oregano, and 1 cup of the measured broth. Let hot peppers cool slightly first and vent the blender lid as its manufacturer directs. Season the roast, place it in the slow cooker, and add the sauce, remaining 3 cups broth, and bay leaves. Keep the lid on during the LOW cook so steam and heat stay inside.
3. Check the beef and broth. Allow about 8 hours for the roast to become fork-tender. It should pull apart without a hard, springy center; also check that it exceeds 145°F, then let it rest for 3 minutes before shredding. Remove the bay leaves and return the shreds to enough broth to keep them moist. Reserve the rest for dipping and serving, and taste it before adding more salt.
4. Crisp the filled tortillas. Heat a skillet over medium heat with a thin film of cooking oil. Quickly dip a tortilla in the broth, let the excess drip away, and place it in the skillet. Put beef on one half, fold, and cook about 2 minutes per side, until browned at the edges. Soaking the tortilla or crowding the pan makes it tear or steam. Allow about 20 minutes for several batches, adding oil as needed.
How to Serve
Divide the beef into six portions and serve with enough tortillas for each portion, cilantro, and lime wedges. Keep dipping broth in small bowls rather than pouring it over finished tacos. Mexican rice makes a sensible side, and a crisp corn salad balances the soft filling. For a taco spread, shrimp tacos offer a different filling; a pressure-cooker birria recipe is another cooking option.
Storage and Reheating
Refrigerate leftovers promptly in covered shallow containers at 40°F or below and use within 3 days. Reheat the portion you need to 165°F. For saucy dishes, a splash of water can help loosen the refrigerated mixture while it warms. See federal cold-storage guidance for details.
Tips and Variations
- Choose dried peppers that bend slightly rather than looking dusty or moldy; wipe them clean before removing stems.
- Use a smooth, pourable blended sauce. If the blender struggles, take additional broth from the measured 4 cups and use the rest in the cooker.
- Warm stiff tortillas briefly in a dry pan before dipping. Keep the dip quick and move each tortilla directly to the oiled skillet.
- Shred only the beef you plan to serve if you want to leave the remainder in larger pieces for storing. Keep the meat moist with its broth.
Frequently Asked Questions
Do these tacos need cheese?
You can add a little cheese if you enjoy it. The beef, chile broth, and crisp tortilla make a complete taco on their own.
How spicy are the dried chiles?
Guajillo and ancho peppers usually have gentler heat than small hot chiles, but batches vary. Removing seeds helps the sauce blend smoothly; taste the finished broth before serving.
Can I prepare the beef the day before?
Yes, making the filling ahead leaves only the skillet work for serving time. Chill the beef with its broth, then heat that filling before building the tacos.
Why are my tortillas falling apart?
Old or cold corn tortillas can crack when folded. Warm them first, use a brief dip, and support the tortilla with a spatula as you turn it.
Can I freeze the filling?
The cooked beef and broth are better freezer candidates than assembled tacos. Pack them together in meal-size containers and add fresh tortillas and toppings when serving.
More Recipe Ideas
Slow Cooker Birria Tacos with Guajillo and Ancho
Ingredients
Main Ingredients
- 2 lbs beef chuck roast
- 6 dried guajillo chiles
- 4 dried ancho chiles
- 1 onion quartered
- 4 cloves garlic
- 2 bay leaves
- 1 tablespoon cumin
- 1 tablespoon oregano
- 4 cups beef broth divided, 1 cup for blending and 3 cups for the cooker
- Salt and pepper to taste
- corn tortillas as needed for 6 portions
- fresh cilantro for garnish
- lime wedges for serving
As Needed
- water for soaking the chiles
- cooking oil as needed for frying the tacos
Instructions
Prepare the chile sauce
- Remove stems and seeds from the guajillo and ancho chiles. Cover with water, bring to a boil, remove from the heat, and soak covered for 20 minutes until pliable; drain.
- Cool the chiles slightly, then blend with the onion, garlic, cumin, oregano, and 1 cup beef broth until smooth, venting the lid as directed for warm ingredients.
Slow cook the beef
- Season the chuck roast with salt and pepper and place in the slow cooker. Add the chile sauce, remaining 3 cups beef broth, and bay leaves.
- Cover and cook on LOW for about 8 hours, until fork-tender and at least 145°F in the thickest part. Rest for 3 minutes, discard the bay leaves, and shred; moisten the meat with broth and reserve the remaining broth.
Make the tacos
- Heat a thin film of cooking oil in a skillet over medium heat. Briefly dip each tortilla in broth, drain, add beef to one half, and fold; cook about 2 minutes per side until crisp, working in batches for about 20 minutes and adding oil as needed.
- Divide the beef among 6 portions. Serve the tacos with cilantro, lime wedges, and reserved broth for dipping.
Notes
- Refrigerate promptly in covered containers at 40°F or below; use within 3 days.
- Reheat cooked leftovers to 165°F.
