Oreo-Filled Milk Buns

These fluffy, milky buns hold a rich Oreo-cream cheese center that you can enjoy two ways. When warm, it oozes out like lava; when chilled, it takes on a truffle-like texture.

Freezing the Oreo filling makes it easier to stuff the buns. If you've ever made soup dumplings, the process is similar: you wrap a flattened disc of dough around the frozen filling, sealing it inside. While baking, the heat melts the filling back into a thick, molten state.