To cook chicken for this recipe, salt & pepper chicken and bake at 375 degrees F. for 15 minutes on each side for a total of 30 minutes. Alternatively, pan-fry in a medium skillet over medium-high heat, turning after about 8-10 minutes on each side and until chicken is thoroughly cooked. Feel free to use rotisserie or precooked chicken too.Shred or chop chicken and combine with grapes and pecans in a medium sized bowl. Set aside.In a small bowl, stir together the yogurt, celery, honey, vinegar, salt and pepper. Transfer the yogurt mixture to the medium bowl with chicken, grapes and pecans. Stir to combine.Store the salad in a tightly sealed container in the refrigerator for 3-5 days.