1. Heat a large non-stick skillet over medium-high heat, then add ground beef. Cook and stir, breaking it up into small crumbles, until browned and fully cooked. Drain if desired. 2. Meanwhile, toss all salad ingredients in a large bowl. 3. Divide salad evenly among serving bowls. Top with cooked ground beef, crispy chickpeas, feta cheese and Tzatziki yogurt dip.