Thick, Dark, Syrupy Form of Sugar
Puzzle 14 of Baking a Cake Hard Pack
Question is: Thick, Dark, Syrupy Form of Sugar
and the answer is: MOLASSES
Word Meaning:
MOLASSES — A thick, sweet syrup drained from sugarcane, especially (Canada, US) the still thicker and sweeter syrup produced by boiling down raw molasses.
Definitions from Wiktionary.