Grilled Barbacoa Beef Tacos with Pickled Red Onions

By · Reviewed by AislePrompt Editorial · ·

Tender grilled barbacoa-style beef served in warm corn tortillas with tangy pickled red onions and fresh cilantro for a flavorful taco experience. This mexican-inspired tacos & burritos ready in about 500 minutes pairs beef chuck roast, peppers chipotle peppers in adobo sauce, garlic cloves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 calories and feeds 4, 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 4 Mexican cuisine 420 cal/serving
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Ingredients

Instructions

  1. Step 1: Blend 2 chipotle peppers in adobo sauce, 4 garlic cloves, 1 tsp ground cumin, 1 tsp dried oregano, 1 tbsp apple cider vinegar, and 1 cup beef broth in a blender until smooth to make the marinade.
  2. Step 2: Season 1.5 lbs beef chuck roast with 1 tsp salt and 1/2 tsp black pepper. Place in a slow cooker and pour over the marinade. Cook on low for 8 hours until beef is tender and shreddable.
  3. Step 3: While the beef cooks, combine 1/2 cup white vinegar, 1/2 cup water, 1 tbsp sugar, and the thinly sliced 1 medium red onion in a bowl. Let sit for at least 30 minutes to pickle.
  4. Step 4: When beef is done, shred it with two forks and mix it with the cooking juices. Heat a grill or grill pan to medium-high and quickly grill 8 corn tortillas for 15-20 seconds per side until warm and slightly charred.
  5. Step 5: Assemble tacos by placing a generous amount of shredded beef on each tortilla, topping with pickled red onions and 1/4 cup chopped fresh cilantro. Serve with lime wedges for squeezing over.

Equipment for this recipe

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Frequently asked questions

How long does Grilled Barbacoa Beef Tacos with Pickled Red 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 Grilled Barbacoa Beef Tacos 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 beef chuck roast from drying out.

Can I substitute ingredients in Grilled Barbacoa Beef Tacos 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 Grilled Barbacoa Beef Tacos with Pickled Red Onions for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Grilled Barbacoa Beef Tacos with Pickled Red 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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