Tung Nguyen, Katherine Manning
By Tung Nguyen, Katherine Manning, Lyn Nguyen and Elisa Ung
Feel free to make these ahead, as we did at Hy Vong. You can refrigerate the fully baked pastries for up to 4 days. To serve, reheat at 300°F [150°C] for about 30 minutes, then top with the remaining sauce and green onions.
Preheat the oven to 350°F [180°C], with a rack in the middle position. If available, use the convection setting.
Meanwhile, in a large bowl, combine the sweet onion, fish sauce, lime juice, sugar, and pepper. Cut a small slit about halfway through the flesh of the top of each c