Cheesy Chicken Broccoli Rice Casserole

Ingredients (16)

• 1 (6 oz) package long-grain and wild rice mix
• 3 tablespoons unsalted butter
• 3 cloves garlic
• 1 onion
• 2 cups cremini mushrooms
• 1 stalk celery
• 1/2 teaspoon dried thyme
• 1 tablespoon all-purpose flour
• 1/4 cup dry white wine
• 1 1/2 cups chicken broth
• Kosher salt and freshly ground black pepper
• 3 cups broccoli florets
• 1/2 cup sour cream
• 2 cups shredded rotisserie chicken
• 1 cup shredded cheddar cheese
• 2 tablespoons chopped fresh parsley leaves