Hardened Vegetable Oil Substitute for Butter
Puzzle 13 of Baking a Cake Hard Pack
Question is: Hardened Vegetable Oil Substitute for Butter
and the answer is: MARGARINE
Word Meaning:
MARGARINE — A spread, manufactured from a blend of vegetable oils (some of which are hydrogenated), emulsifiers etc, mostly used as a substitute for butter.
Definitions from Wiktionary.