Barbacoa-Spiced Beef Tacos with Pickled Onions

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

Tender slow-cooked beef infused with warm barbacoa spices, served in soft corn tortillas with tangy pickled onions and fresh cilantro. This mexican-inspired tacos & burritos ready in about 500 minutes pairs cut into 3-inch pieces beef chuck roast, chopped chipotle chiles in adobo sauce, beef broth for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 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: 20 min Cook: 480 min Serves 6 Mexican cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: Place 3 dried guajillo chiles in a small pot of boiling water and soak for 15 minutes until softened.
  2. Step 2: In a blender, combine softened guajillo chiles, 2 chopped chipotle chiles in adobo, 1 1/2 cups beef broth, 2 tsp ground cumin, 1 tsp dried oregano, 1/4 tsp ground cloves, 4 minced garlic cloves, and 1 tsp salt. Blend until smooth.
  3. Step 3: Put 2 lbs beef chuck roast pieces into a slow cooker, pour the blended chile sauce over the beef, and season with 1/2 tsp salt. Cook on low for 8 hours until beef is tender and shreds easily.
  4. Step 4: While beef cooks, combine 1/2 cup white vinegar, 1 tsp sugar, and 1/2 tsp salt in a bowl. Add 1 thinly sliced medium red onion and let it sit to pickle for at least 30 minutes.
  5. Step 5: Warm 12 small corn tortillas in a dry skillet for 30 seconds each side until pliable.
  6. Step 6: Shred the cooked beef and serve on tortillas topped with pickled onions, 1/2 cup chopped fresh cilantro, and lime wedges for squeezing over.

Equipment for this recipe

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Frequently asked questions

How long does Barbacoa-Spiced Beef Tacos with Pickled Onions take to make?

Total time is about 500 minutes (20 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 Barbacoa-Spiced Beef Tacos with Pickled 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 beef broth from drying out.

Can I substitute ingredients in Barbacoa-Spiced Beef Tacos with Pickled 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 Barbacoa-Spiced Beef Tacos with Pickled 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 Barbacoa-Spiced Beef Tacos with Pickled Onions?

Mexican tacos & burritos 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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