Slow-Cooked Beef Barbacoa with Pickled Red Onions

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

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 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.

Prep: 15 min Cook: 480 min Serves 6 Latin American cuisine 390 cal/serving
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Ingredients

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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.

Frequently asked questions

How long does Slow-Cooked Beef Barbacoa with Pickled Red Onions take to make?

Total time is about 495 minutes (15 min prep + 480 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Slow-Cooked Beef Barbacoa with Pickled Red Onions?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep garlic cloves, minced from drying out.

Can I substitute ingredients in Slow-Cooked Beef Barbacoa with Pickled Red Onions?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Slow-Cooked Beef Barbacoa with Pickled Red Onions for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Slow-Cooked Beef Barbacoa with Pickled Red Onions?

Latin American latin american like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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