n a large sauce melt butter, Saute onions, carrots and celery. Cook gently 5 minutes until vegetables are tender. Add chicken. Sprinkle with flour. Cook 4 minutes, browning lightly. Add chicken broth and bring to a boil. Season with salt, pepper & garlic. Add bay leaves. Cook 15 minutes. Add milk and bring to boil. Add rice and cook 5 to 10 minutes. Taste and adjust seasoning if necessary.