Place cream cheese in 1-cup measure.
Microwave 2 minutes on '6', or until softened.
Stir in horseradish and cream.
Microwave 1 minute on '6'.
For ovens without solid state heat control, to soften cheese, Microwave 2 minutes, 30 seconds on '5'.
To warm sauce, Microwave 1 minute, 15 seconds on '5'.