2017 March 28, Desmond Tan, Kate Leahy, Burma Superstar: Addictive Recipes from the Crossroads of Southeast Asia [A Cookbook], Ten Speed Press, →ISBN, page 228:
Culinary students in the States used to be taught that adding GGS—ginger, garlic, and scallions—instantly makes a dish Chinese. That's not completely true, but there is some validity to it.
2017 September 12, Joanne Chang, Karen Akunowicz, Myers+chang At Home: Recipes from the Beloved Boston Eatery, HarperCollins, →ISBN, page 40:
The second G in the Asian trinity, GGS (ginger, garlic, scallion), it can be subtle or bold, sweet or pungent, depending on how you use it. Buy garlic cloves by the head; the skin on the outside should feel tight and full.
2009 March 31, Michael Ruhlman, The Making of a Chef: Mastering Heat at the Culinary Institute of America, Holt Paperbacks, →ISBN, page 130:
Whoever made the chicken stock for the soup that day would begin by stir-frying garlic, ginger, and scallions—“GGS,” the Asian mirepoix that began many dishes in this kitchen—before dumping the water and chicken bones into the wok.
2021 November 19, Namrata Sadhwani, A listicle of agrarian provisioning, M/s Greygrids graphics: