Possible Clues:

• Main course accompaniment
• Baked beans, e.g
• Supplementary course
• That's not the main thing, of course
• Sidney, Earl, Diana, Old Bob and Henry Rice, for example
• Course part, in an eatery
• Something extra for consumer -- channel on alternative to cable
• Course component
• What's no different if served up hot as starter?
• It goes with a main course