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Crock Pot Mexican Shredded Beef Tacos

Crock pot Mexican shredded beef tacos with tender, fork-shreddable beef simmered in a spiced broth. Stuff soft corn or flour tortillas and top with fresh diced onion, cilantro, lime, salsa, and sour cream.
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Prep Time 10 minutes
Cook Time 8 hours
Rest/stand time 10 minutes
Total Time 8 hours 20 minutes
Servings: 8 servings
Course: Dinner
Cuisine: Mexican
Calories: 420
Ingredients Equipment Method Notes

Ingredients
  

Beef
  • 3 lb beef chuck roast
  • 1 cup beef broth
  • 1 onion, halved
  • 6 garlic
  • 2 tbsp cumin
  • 2 tsp oregano
  • 2 tsp chili powder
  • 1 tsp black pepper
  • 1 tsp salt
  • 2 bay leaves
  • 2 lime juice
Tacos & toppings
  • 16 soft flour or corn tortillas
  • 0.5 diced onion
  • 0.25 cilantro
  • 0.25 lime
  • 0.5 salsa
  • 0.5 sour cream
  • 1 cooking liquid Optional for dipping after cooking.

Equipment

  • 1 slow cooker

Method
 

Cook the spiced beef
  1. Place beef chuck roast in the 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 meat shreds easily with a fork and looks very tender and moist.
Shred and finish
  1. Remove beef from the slow cooker and shred directly in the slow cooker, discarding any large fat pieces. Stir in lime juice, and let it stand for 10 minutes so the flavors mingle and the sauce looks lightly glossy.
Warm tortillas and assemble
  1. Warm soft flour or corn tortillas until flexible and lightly steamy, about 30–60 seconds per side. Fill each tortilla with shredded beef and top with diced onion, cilantro, lime, salsa, and sour cream, arranging them so the beef shreds are clearly visible.
  2. Serve with the cooking liquid on the side for dipping if desired, keeping it in a small bowl so it’s easy to drizzle. The tortillas should stay warm and the toppings should look fresh and colorful.

Notes

For easiest shredding, let the roast sit in the cooking liquid for a few minutes after removing it, then shred right back in the slow cooker and keep warm on the lowest setting. Refrigerate leftovers in an airtight container up to 4 days; freeze shredded beef (with some cooking liquid) up to 3 months. For a lighter option, use reduced-fat sour cream and choose corn tortillas for a lower-calorie swap.