Prepare the salad dressing. Using a blender, add the mustard, lime juice, olive oil and peanut butter. Blend until emulsified. Season with sea salt and pepper. Then, mix in the lime zest and chopped peanuts.
Prepare all the salad ingredients.
Grill chicken breasts (use Cajun seasonings or marinade).
Let the chicken breasts rest for several minutes and then cut them into smaller strips.
To serve, assemble the salad on four plates. Start with a bed of greens; sprinkle with beans, corn and red pepper.
Top each with a grilled chicken breast, 1/2 an avocado, crumbled feta cheese and tortilla chips or strips.