Ingredients

• 1/4 cup butter or margarine
• 1 onion, chopped
• 2 stalks celery, chopped
• 1 (10.75 ounce) can condensed cream of celery soup
• 1/4 cup chicken broth
• 1 (16 ounce) package frozen chopped broccoli, thawed
• 1 (5 ounce) can water chestnuts, drained and sliced
• 2 cups cooked rice
• 2 cups cooked, cubed chicken meat
• 1 (4 ounce) can sliced mushrooms, drained
• salt to taste
• 1/2 teaspoon garlic powder, or to taste
• 1 cup shredded Cheddar cheese