What do you call - American fry potatoes with onions?

There isn't a single universally accepted name for American fried potatoes with onions, but here are some common options:

General:

* Fried potatoes with onions: This is the most straightforward and descriptive name.

* Potato and onion hash: This term is often used, especially if the potatoes are diced and the onions are sautéed until caramelized.

* Home fries: This term generally refers to diced potatoes fried with onions and often other vegetables like peppers.

Regional:

* O'Brien potatoes: This term is specifically used in the Northeast US and Canada and often includes diced green peppers along with the onions.

Specific:

* Breakfast potatoes with onions: This name emphasizes the dish's common use as a breakfast side.

* Hash browns with onions: This term is used when the potatoes are shredded and pan-fried, often with onions.

Ultimately, the best name depends on the specific recipe and the context in which it's being served.