1. Cook chicken and cut into 1-in. cubes.
2. Steam vegetables.
3. In large bowl, mix together soup and sour cream. Stir in chicken and vegetables.
4. Pour into a 9-in. pan.
5. Mix together dry stuffing mix and melted butter. Spread evenly over top of chicken mixture.
6. Bake at 350 F for 20 minutes, until stuffing is golden brown and crunchy.