❶ Sauté the VeggiesHeat olive oil in a large skillet over medium heat. Add red onion and bell pepper, and sauté for 5-7 minutes until softened.❷ Add Beans and CornAdd black beans and corn to the skillet. Season with cumin, chili powder, salt, and pepper. Stir to combine and cook for another 5-7 minutes until everything is heated through.❸ Warm the TortillasWarm the tortillas in a separate pan or microwave.❹ Assemble the TacosSpoon the vegetable mixture onto the warm tortillas. Top with sliced avocado, fresh cilantro leaves, and a squeeze of lime juice.❺ ServeServe immediately with extra lime wedges on the side.