Bánh đúc bắc — Northern Vietnamese savory steamed rice cake — is an extremely rare find in Philadelphia. The southern Vietnamese population that dominates Philly's restaurant scene favors the sweet southern version over the northern savory one, making this dish a true specialty hunt.

Nam Phuong top-pick

Nam Phuong's massive menu is the most likely place to find Banh Duc Bac in Philadelphia — though it's not currently listed on the regular menu. The kitchen has the depth of Vietnamese culinary knowledge to prepare it upon request. Call ahead to ask about specials or holiday dishes, particularly around Tet.

Vietnam Restaurant best-value

Vietnam Restaurant's 40-year history means the kitchen has seen and prepared every regional Vietnamese dish. While Banh Duc Bac isn't on the regular menu, the kitchen may be able to prepare it with advance notice. This is the Chinatown institution most likely to accommodate a northern Vietnamese special request.

Cafe Nhan hidden-gem

Cafe Nhan's family-run kitchen brings central Vietnamese expertise to South Philly. While they focus on Hue-style cooking rather than northern specialties, they may know where to find Banh Duc Bac in the community or prepare it for special occasions. Ask the owners directly.nnBanh Duc Bac is currently not on any Philadelphia restaurant's regular menu, but these three kitchens have the knowledge and skill to prepare it with advance notice — worth calling ahead for.