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Crock Pot Mexican Shredded Beef Tacos

Crock pot Mexican shredded beef tacos with tender, fork-shreddable chuck roast slow-cooked with spices for easy weeknight tacos. Serve the shredded beef in warm tortillas with fresh toppings like cilantro, lime, salsa, and sour cream.
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Prep Time 10 minutes
Cook Time 8 hours
Resting 10 minutes
Total Time 8 hours 20 minutes
Servings: 8 servings
Course: Main
Cuisine: Mexican
Calories: 520
Ingredients Equipment Method Notes

Ingredients
  

Beef chuck roast
  • 3 lb beef chuck roast
Beef broth
  • 1 cup beef broth
Onion
  • 1 onion Halved
Garlic
  • 6 garlic Cloves
Ground cumin
  • 2 tbsp cumin
Dried oregano
  • 2 tsp oregano
Chili powder
  • 2 tsp chili powder
Black pepper
  • 1 tsp black pepper
Salt
  • 1 tsp salt
Bay leaves
  • 2 bay leaves
Lime juice
  • 2 lime Juice of 2 limes
Soft tortillas
  • 16 soft flour or corn tortillas Warm
Toppings
  • 1 diced onion For serving
  • 0.5 cilantro For serving
  • 1 lime Additional lime wedges/juice for serving
  • 0.5 salsa For serving
  • 0.25 sour cream For serving

Equipment

  • 1 Dutch oven

Method
 

Slow cook the beef
  1. Place beef in a slow cooker with beef broth, onion halves, garlic cloves, cumin, oregano, chili powder, black pepper, salt, and bay leaves. Cover and cook on low for 8 hours until the beef shreds easily with a fork.
Shred and season
  1. Remove the beef and shred directly in the slow cooker, discarding any large fat pieces. Stir in lime juice and let the mixture rest for 10 minutes.
Warm tortillas and assemble tacos
  1. Warm tortillas until pliable. Fill each with shredded beef and desired toppings.
Serve
  1. Serve with the cooking liquid on the side for dipping if desired. Garnish as desired with toppings so tender shreds are visible in the tacos.

Notes

For extra tender shreds, avoid lifting the lid during the 8-hour cook. Refrigerate leftovers in an airtight container for up to 4 days; reheat gently with a splash of the cooking liquid. Freeze shredded beef (without toppings) for up to 3 months. Dietary swap: use gluten-free tortillas if needed to keep the tacos gluten-free.