- In a bowl, mix together the cooked and shredded chicken, scallions, white onion, red bell pepper, garlic and cilantro. Set aside. 
- In a small bowl, whisk together the mayonnaise, lime juice, avocado, hot sauce, salt and pepper to taste. Add to the chicken and mix gently until combined. Refrigerate until ready to serve. 
- To assemble: Place the arepas on a serving plate, top with the chicken and avocado mixture. Add some avocado on top and sprinkle cilantro or parsley . Serve immediately.