What does the cryptic crossword clue "Starbuck's first found here, healthier and with topping (6)" mean?

The wordplay uses a charade (building blocks). W (synonym="with") + HALER (synonym="healthier") = WHALER The answer is WHALER.

Starbuck's first found here, healthier and with topping (6)

Guardian Cryptic #25714 | 16 Down | 2012-08-14 flower