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Juicy Slow Cooker Beef Tacos

Laura
Slow cooker beef tacos packed with bold spices and tender, juicy meat. An easy, flavor-loaded recipe perfect for taco night.
Prep Time 15 minutes
Cook Time 8 hours
Total Time 8 hours 15 minutes
Servings 8 servings

Ingredients
  

  • Beef: 3–3.5 pounds beef chuck roast (well-marbled)
  • Onion: 1 large yellow onion, sliced
  • Garlic: 4–5 cloves, minced
  • Tomatoes or sauce: 1 (14.5-ounce) can fire-roasted diced tomatoes or 1 cup tomato sauce
  • Broth: 1/2 cup beef broth (low sodium)
  • Acidity: Juice of 1 lime (plus extra wedges for serving)
  • Chiles: 2–3 chipotle peppers in adobo, chopped, plus 1–2 tablespoons adobo sauce (adjust for heat)
  • Spices: 2 teaspoons chili powder, 2 teaspoons ground cumin, 1 teaspoon smoked paprika, 1 teaspoon dried oregano, 1 teaspoon kosher salt (plus more to taste), 1/2 teaspoon black pepper
  • Optional add-ins: 1 teaspoon ground coriander, 1 teaspoon brown sugar (balances acidity), 1 bay leaf
  • Tortillas: Warm corn or flour tortillas
  • Toppings: Diced onion, chopped cilantro, crumbled cotija or shredded cheese, pico de gallo or salsa, sliced jalapeños, avocado or guacamole, sour cream, pickled red onions

Instructions
 

  • Prep the beef: Trim excess hard fat from the chuck roast, then cut into 3–4 large chunks. Pat dry and season all over with salt and pepper.
  • Build the base: Add sliced onion and minced garlic to the slow cooker. Stir in the tomatoes (or tomato sauce), beef broth, lime juice, chopped chipotles and adobo, and all the spices. Nestle the beef pieces into the mixture. Add the bay leaf if using.
  • Cook low and slow: Cover and cook on Low for 8–9 hours or High for 4–5 hours, until the beef is fork-tender and shreds easily.
  • Shred the beef: Transfer the beef to a large bowl. Discard the bay leaf. Use two forks to shred the meat into bite-sized strands.
  • Reduce and enrich: Skim excess fat from the cooking liquid. If it’s very thin, ladle 1–2 cups into a saucepan and simmer for 5–10 minutes to reduce slightly. Return the shredded beef to the slow cooker and stir in enough liquid to make it juicy but not soupy. Taste and adjust salt, lime, or adobo.
  • Warm the tortillas: Heat corn tortillas on a dry skillet until soft and lightly charred, or wrap in foil and warm in a low oven. Keep them covered so they stay pliable.
  • Assemble: Spoon the beef into tortillas and top with onion, cilantro, and a squeeze of lime. Add your favorite extras like salsa, cotija, or avocado.
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