Here are some possible English translations or descriptions, depending on the context:
* Stuffed flatbread: This is a general term that describes the basic nature of vadiyalu.
* Parotta with filling: This is a specific type of vadiyalu, where the flatbread is a thin, layered parotta.
* Stuffed roti: Similar to parotta, but uses a thicker roti dough.
* Vadiyalu: You can even just use the Telugu word "Vadiyalu" if you are talking to people who understand the term.
The best English translation will depend on the specific type of vadiyalu you are referring to and the context of your conversation.