Quick Carne Asada Tacos with Charred Onions and Cilantro Lime Slaw

By AislePrompt Editorial · Published 2026-05-16 · Updated 2026-05-16

Juicy grilled flank steak slices stuffed in warm corn tortillas with smoky charred onions and a zesty cilantro lime slaw for a fresh finish. This Mexican recipe, ready in about 30 minutes, pairs flank steak, olive oil, ground cumin for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 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.

Ingredients

• 1 lb flank steak
• 2 tbsp olive oil
• 1 tsp ground cumin
• 1 tsp chili powder
• 1/2 tsp garlic powder
• 1 tsp salt
• 1/2 tsp black pepper
• 1 medium yellow onion, sliced into rings
• 8 small corn tortillas
• 2 cups green cabbage, shredded
• 1/4 cup fresh cilantro, chopped
• 2 tbsp lime juice
• 2 tbsp mayonnaise
• 1 small jalapeño, seeded and minced

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Instructions

1. Step 1: In a small bowl, combine 2 tbsp olive oil, 1 tsp ground cumin, 1 tsp chili powder, 1/2 tsp garlic powder, 1 tsp salt, and 1/2 tsp black pepper. Rub this marinade evenly over 1 lb flank steak and let rest for 10 minutes.
2. Step 2: Heat a grill pan over high heat. Add 1 medium sliced yellow onion rings and cook for 5-6 minutes until charred and softened, stirring occasionally. Remove and set aside.
3. Step 3: Grill the marinated flank steak for 4-5 minutes per side for medium-rare doneness. Let rest 5 minutes, then thinly slice against the grain.
4. Step 4: In a medium bowl, mix 2 cups shredded green cabbage, 1/4 cup chopped fresh cilantro, 2 tbsp lime juice, 2 tbsp mayonnaise, and 1 small minced jalapeño until combined to make a slaw.
5. Step 5: Warm 8 small corn tortillas in a dry skillet or microwave. Assemble tacos by layering sliced steak, charred onions, and cilantro lime slaw. Serve immediately.