Chicken Divan

Ingredients

• 4 cups broccoli florets, cut into (1-inch) pieces
• 6 tablespoons all-purpose flour
• 1 1/2 cups fat-free, lower-sodium chicken broth
• 2 tablespoons unsalted butter
• 2 ounces grated fresh Parmesan cheese (about 1/2 cup)
• 1/3 cup half-and-half
• 2 tablespoons dry sherry
• 1/2 teaspoon kosher salt
• 1/2 teaspoon freshly ground black pepper
• 4 ounces shredded reduced-fat sharp cheddar cheese, divided (about 1 cup)
• 4 cups cooked long-grain brown rice
• 2 cups chopped cooked chicken breast
• Cooking spray
• 1/2 cup slivered almonds, toasted