Place chicken in a plastic bag or a dish. Add the olive oil, lemon juice and spices to the chicken. Cover and let the chicken marinate for 4-6 hours or overnight.
Grill the chicken on medium-high until the chicken reaches an internal temperature of 165 degrees. Let rest and cut up into pieces
Mix all the ingredients for the yogurt sauce. Add the packet of Regular Girl in with the yogurt sauce and mix the sauce well. Let the yogurt sauce set in the fridge for 30 minutes before eating.
Assemble salads. Top each salad with sliced egg, onion, tomatoes and avocado. Pack the salads away with a serving of chicken and 1/3 cup of yogurt sauce.