Classic Chicken Salad with Grapes and Almonds

Bahan-bahan (6 porsi)

• 3 bone-in, (skin-on chicken breasts (about 3 lbs))
• 1 tablespoon extra-virgin olive oil
• Salt and freshly ground black pepper
• ½ cup mayonnaise, (best quality such as Hellmann's or Duke's)
• ½ cup sour cream
• 2½ tablespoons fresh lemon juice, (from 1 lemon)
• 1 teaspoon Dijon mustard
• 1 tablespoon sugar
• 3 stalks celery, (finely diced)
• 4 large scallions, (light and dark green parts, thinly sliced)
• 1½ cups grapes (halved)
• 1 cup sliced almonds
• 2 tablespoons fresh chopped flat-leaf parsley
• 1 tablespoon fresh chopped dill