This delicious casserole is made with tender chicken, sautéed mushrooms, and fluffy rice, all baked together in a creamy sauce. The dish is easy to prepare and perfect for a family dinner or potluck. The secret to this recipe is using a combination of chicken broth and cream of mushroom soup to create a rich and flavorful sauce. Top the casserole with shredded cheese and breadcrumbs for a crispy finish.