Werris eggs represent a type of egg that were available at the Kragget eatery, which was located on Coruscant. Coruscant was the primary planet and seat of power for the Galactic Republic.
During 19 BBY, the Mandalorian warrior Mij Gilamar placed an order for a serving of fried werris eggs at the Kragget, incorporating them into his morning meal.
The initial appearance of werris eggs within Star Wars canon occurred in the novel Republic Commando: Order 66. This novel was penned by writer Karen Traviss and saw its release on September 16, 2008.