Farmhouse Chicken Chowder

Name: Farmhouse Chicken Chowder
Ingredients: 6 bacon slices (chopped); 6 scallions, white parts chopped fine and green parts sliced thin; 2 carrots, peeled and sliced thin; 1 celery rib, sliced thin; 1/2 teaspoon lemon pepper (or salt and pepper to taste); 6 tablespoons all-purpose flour; 5 cups low-sodium chicken broth; 1 pound red potatoes (scrubbed and cut into 1/2-inch pieces); 3 1/2 pound whole chicken (cooked rotisserie chicken, skin discarded, meat shredded into bite-size pieces, about 3 cups); 1 cup half-and-half