For the salad, grill and season the chicken breast. Let the chicken cool for a few minutes and then dice into pieces. Set the chicken aside until ready to serve. For the salad, cut the lettuce and place it in a large salad bowl. Dice the bell pepper and place over the lettuce. Dice the apricots into small pieces and place on the salad. Top with the nuts and crumbled cheese.
For the dressing, whisk all of the ingredients together until smooth. Season as desired. Place the grilled chicken pieces on top of the salad and serve with the dressing when ready.