Slow-Cooked Beef Barbacoa with Pickled Red Onions

By AislePrompt Editorial · Published 2026-04-26 · Updated 2026-04-26

Tender, flavorful beef barbacoa slow-cooked with warm spices and chilies, served with tangy pickled red onions for a perfect balance of rich and bright. This Latin American recipe, ready in about 495 minutes, pairs beef chuck roast, cut into large chunks, chipotle peppers in adobo sauce, garlic cloves, minced for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 390 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Ingredients

• 2 lbs beef chuck roast, cut into large chunks
• 2 peppers with 2 tbsp sauce chipotle peppers in adobo sauce
• 5 garlic cloves, minced
• 2 tsp ground cumin
• 1 tsp dried oregano
• 1/4 tsp ground cloves
• 1/4 cup apple cider vinegar
• 1 cup beef broth
• 1 1/2 tsp salt
• 1 tsp black pepper
• 1 large red onion, thinly sliced
• 1/2 cup white vinegar
• 1/2 cup water
• 1 tbsp sugar
• 1 tsp salt (for pickling)

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Instructions

1. Step 1: In a blender, combine 2 chipotle peppers with 2 tbsp adobo sauce, 5 minced garlic cloves, 2 tsp ground cumin, 1 tsp dried oregano, 1/4 tsp ground cloves, 1/4 cup apple cider vinegar, 1 cup beef broth, 1 1/2 tsp salt, and 1 tsp black pepper. Blend until smooth.
2. Step 2: Place 2 lbs beef chuck roast chunks in a slow cooker and pour the blended sauce over the meat, making sure pieces are well coated.
3. Step 3: Cook on low for 8 hours or on high for 4-5 hours until the beef is tender and shreds easily.
4. Step 4: While the beef cooks, prepare pickled red onions by combining 1/2 cup white vinegar, 1/2 cup water, 1 tbsp sugar, and 1 tsp salt in a bowl. Stir until sugar and salt dissolve.
5. Step 5: Place 1 large thinly sliced red onion in a heatproof jar or bowl and pour the vinegar mixture over the onions. Let sit at room temperature for at least 30 minutes before serving.
6. Step 6: Once beef is done, shred it with two forks and mix with the cooking juices. Serve topped with pickled red onions in warm tortillas or over rice.