1 pk Beef-Mushroom Freezer Mix 1/3 c Water 1 pk Noodles Romanoff Dip container of frozen mix into hot water just to loosen. In 2-quart saucepan, heat frozen mix and water to boiling. Reduce heat; cover and simmer, stirring frequently, until mix is thawed, about 20 minutes. Prepare noodles Romanoff as directed on package except ~ omit butter and milk; stir sour cream-cheese sauce mix and cooked noodles into meat mixture and heat to boiling. Reduce heat; cover and simmer 5 minutes.