Heat a large skillet over medium-high heat. Add the steak and season with salt and pepper. Cook for 4-5 minutes per side, or until the steak is cooked to your desired doneness.
Remove the steak from the skillet and let rest for 5 minutes before slicing.
In a large bowl, combine the red onion, red bell pepper, green bell pepper, black beans, corn, lettuce, avocado, cilantro, and sliced steak.
In a small bowl, whisk together the lime juice, olive oil, cumin, chili powder, salt, and pepper.
Pour the dressing over the salad and toss to combine.
Serve the salad immediately.
Interesting Facts
This salad is a great source of protein, vitamins, and minerals.
You can substitute the steak for chicken, shrimp, or tofu if desired.
This recipe can be easily doubled or tripled to feed a larger group.