BBQ Chicken Salad

BBQ Chicken Salad
Fried Tortilla Strips:
Vegetable oil for deep−frying
12 corn tortillas, cut into 1/4−inch−wide strips (about 6 cups)
Garden Herb Ranch Dressing:
1/2 teaspoon dry mustard
1/4 teaspoon cold water
2 3/4 cups mayonnaise
1 cup buttermilk
7 tablespoons sour cream
2 1/2 tablespoons apple cider vinegar
1−1/2 tablespoons thinly sliced scallions (greens and whites)
2 teaspoons minced garlic
2 teaspoons minced fresh Italian parsley
1−1/2 teaspoons Worcestershire sauce
1 teaspoons minced fresh dill
1/2 teaspoon minced fresh oregano (or 1/4 teaspoon dried)
1/2 teaspoon freshly ground black pepper
1/4 teaspoon minced fresh basil
Grilled Garlic BBQ Chicken:
1 1/3 tablespoons olive oil
1 1/3 tablespoons minced garlic
2 teaspoons soy sauce
2 teaspoons salt
Four 5−ounce boneless, skinless chicken breasts
1/4 cup good quality bottled sweet−and−spicy barbecue sauce
For the Salad:
1/2 head iceberg lettuce, cored, rinsed, dried, and cut into 1/8−inch−wide
strips
1/2 head romaine lettuce leaves, separated and trimmed, rinsed, dried, and cut
into 1/8−inch−wide strips
12 large fresh basil leaves cut into 1/8−inch−wide strips
1 pound jicama, cut into 1/4 x 1/4 x 3/4−inch strips
2 cups shredded Monterey Jack cheese
1 cup canned black beans, rinsed and drained
1 cup canned sweet white corn kernels, drained
3 tablespoons chopped fresh cilantro
2 pounds ripe fresh tomatoes, cut into 1/2−inch dice