__ Glaze, Reflective Icing on the Top of Cakes
Puzzle 11 of Shiny Things Piece of Cake Pack
Question is: __ Glaze, Reflective Icing on the Top of Cakes
and the answer is: MIRROR
Word Meaning:
MIRROR — A smooth surface, usually made of glass with reflective material painted on the underside, that reflects light so as to give an image of what is in front of it.
Definitions from Wiktionary.