Chicken Wild Rice Casserole

Ingredients

• 2 cups cooked wild rice
• 1 pound boneless, skinless chicken breasts, cut into bite-sized pieces
• 1 cup sliced mushrooms
• 1 cup chopped onion
• 1 cup chopped celery
• 1 cup shredded cheddar cheese
• 1 can (10.5 oz) cream of mushroom soup
• 1 cup chicken broth
• 1/2 cup sour cream
• 1 tablespoon butter
• 1 teaspoon garlic powder
• 1 teaspoon dried thyme
• Salt
• pepper
• 1/4 cup chopped fresh parsley (optional, for garnish)