Fruit Oil in Earl Grey Tea
Puzzle 1 of Vienna Hard Pack
Question is: Fruit Oil in Earl Grey Tea
and the answer is: BERGAMOT
Word Meaning:
BERGAMOT — A tree of the orange family (Citrus × limon, syn. Citrus bergamia), having a roundish or pear-shaped fruit, from the rind of which an essential oil of delicious odor is extracted, much prized as a perfume.
Definitions from Wiktionary.