Answer: melbatoast

AnswerCrossword Clue
MELBATOASTSnack named for a dame
MELBATOASTCrisp named for an opera singer
MELBATOASTCrisp rectangle
MELBATOASTBreakfast item for Moore?
MELBATOASTThin-sliced crisp bread
MELBATOASTHors d'oeuvre base, maybe
MELBATOASTIt's named after an opera star
MELBATOASTBreakfast for singer Moore?