Tail Scallion Roll

The dish you're referring to is typically known as a "spring roll" or "egg roll" in the United States, rather than a "tail scallion roll." The name "spring roll" is a bit of a misnomer, as it's actually a type of Chinese pastry that's typically filled with various ingredients like vegetables, meats, and sometimes noodles, all rolled up in a thin dough wrapper.

The ingredients inside a spring roll can vary widely depending on the region and the restaurant, but common fillings include shredded vegetables like carrots, cabbage, and bean sprouts, as well as meats like pork, chicken, or shrimp. Some versions may also include noodles or rice, and they're often served with a sweet and sour dipping sauce.

As for the name "tail scallion roll," it's possible that this is a play on words or a misspelling, but it's not a commonly used term in the United States. However, if you're looking for a similar dish with a different name, you might try looking for "spring onion rolls," which are a type of Chinese pastry that's similar to a spring roll but typically features a filling of spring onions (also known as scallions) and sometimes other ingredients like pork or shrimp.

If you're interested in trying a spring roll or spring onion roll, you can find them on menus at many Chinese restaurants in the United States. They're usually served as an appetizer or side dish, and they're often quite affordable, with prices ranging from around $5 to $10 or so, depending on the restaurant and the specific dish.

I hope that helps! Do you have any other questions about this dish or Chinese cuisine in general?