Spicy Harissa Black Bean Tacos with Pickled Onions

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Black beans simmered with smoky harissa paste served in warm corn tortillas, topped with tangy pickled red onions and fresh cilantro for vibrant street-style tacos. This mexican-inspired mexican (vegetarian) ready in about 20 minutes pairs harissa paste, olive oil, garlic clove, minced for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 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: 10 min Cook: 10 min Serves 4 Mexican cuisine 280 cal/serving
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Ingredients

Instructions

  1. Step 1: In a small bowl, combine 1/4 cup white vinegar, 1/4 cup water, 1 tsp granulated sugar, and 1/2 tsp salt. Add 1/2 medium thinly sliced red onion and let it soak for at least 20 minutes to pickle.
  2. Step 2: Heat 1 tbsp olive oil in a medium skillet over medium heat. Add 1 minced garlic clove and sauté for 30 seconds until fragrant.
  3. Step 3: Stir in 2 tbsp harissa paste, 1/2 tsp ground cumin, and 1 can (15 oz) drained and rinsed black beans. Cook for 5 minutes, stirring occasionally, until heated through and slightly thickened.
  4. Step 4: Warm 8 corn tortillas in a dry skillet over medium heat for 30 seconds per side until pliable and lightly toasted.
  5. Step 5: Assemble tacos by spooning the harissa black beans evenly onto each tortilla. Top with pickled red onions, 1/4 cup fresh cilantro leaves, and serve with 4 lime wedges to squeeze over.

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Frequently asked questions

How long does Spicy Harissa Black Bean Tacos with Pickled Onions take to make?

Total time is about 20 minutes (10 min prep + 10 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 Spicy Harissa Black Bean 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 harissa paste from drying out.

Can I substitute ingredients in Spicy Harissa Black Bean 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 Spicy Harissa Black Bean Tacos with Pickled 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.

Is Spicy Harissa Black Bean Tacos with Pickled Onions vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.