Bún bò is the classic soup from Huể, which is near Tung’s hometown in central Vietnam. It’s not as common in the United States as phở, but it certainly deserves to be: It’s the perfect balance of spice, acidity, and deep meatiness. Bún bò huể seasoning is a combination of paprika, chili powder, onion, ginger, and garlic. The brand we recommend is Trong Food International; their label reads Kim Tu’ Tháp Pyramide