Answer:

chocolate

AnswerCrossword Clue
CHOCOLATEShade of brown
CHOCOLATECause of many a breakout?
CHOCOLATEBest comfort food
CHOCOLATEConfection that can start the ends of the answers to starred clues
CHOCOLATEPopular ice cream flavor
CHOCOLATEBunny at Easter time, often
CHOCOLATEDark brown
CHOCOLATESwiss .. (dessert)
CHOCOLATECold weather beverage.
CHOCOLATEConfection.
CHOCOLATEOscar Straus's soldier
CHOCOLATESoldier material
CHOCOLATEKind of soldier
CHOCOLATEKind of mousse or cake
CHOCOLATEMilky Way, for one
CHOCOLATEWord after the last word of the theme entries
CHOCOLATEIce cream flavor
CHOCOLATECandy that the lovers [circled letters] on Valentine's Day