Black Bean Tacos With Avocado & Spicy Onions Recipe

Ingredients

• *FOR SPICY ONION*
• 1 lime, whole
• 1 onion (small red onion or large shallot, thinly sliced)
• 1 jalapeño pepper (seeded and thinly sliced)
• sea salt (large pinch of fine sea salt)
• granulated sugar (small pinch of)
• *FOR BLACK BEANS*
• 2 tablespoons olive oil (plus more as needed)
• 1 onion, chopped (large onion)
• 1/2 cup diced bell pepper (red or green bell pepper)
• 2 garlic cloves, minced
• 1 jalapeño pepper (seeded and minced)
• 1 tablespoon tomato paste
• 1/2 tablespoon chili powder
• 1/2 teaspoon dried oregano
• 1/2 teaspoon ground cumin
• 30 ounces black beans (2 cans, 15-ounce, drained and rinsed)
• sea salt (fine)
• 1 packet (1 pound) tortillas (corn tortillas, warmed)
• 1 avocado, sliced (peeled, pitted)
• *FOR GARNISH*
• Fresh cilantro
• salsa
• sour cream (optional)