Hamburger is her favorite food.
The origin of hamburger is credited to the USA, where it became a popular food item in the late 19th to early 20th century. It consists of a patty made from ground beef, placed between two buns, along with various toppings such as cheese, lettuce, tomato, etc.
Examples:
She always orders a hamburger for lunch.
(她总是午饭点汉堡包。)
I love eating hamburgers on the weekends.
(我喜欢在周末吃汉堡包。)
The best part of a hamburger is the juicy beef patty.
(汉堡包最好的部分是多汁的牛肉饼。)