Erich Koberl, executive chef at Koberl at Blue in San Luis Obispo, created this rustic onion and Gruyere cheese tart.
Erich Koberl, executive chef at Koberl at Blue in San Luis Obispo, created this rustic onion and Gruyere cheese tart. dmiddlecamp@thetribunenews.com
Erich Koberl, executive chef at Koberl at Blue in San Luis Obispo, created this rustic onion and Gruyere cheese tart. dmiddlecamp@thetribunenews.com

SLO chef's onion tart captures Central Coast flavor

August 18, 2015 04:54 PM