Rice burger is a popular food item that originated in Japan and has gained popularity worldwide. It is a type of burger that replaces bread with rice patties, making it a healthier and gluten-free option for those who love burgers. The concept of rice burger has become so popular that people have started experimenting with various ingredients and flavors to create unique and delicious rice burgers. Some popular synonyms for rice burger include sushi burger, onigiri burger, rice patty burger, rice bun burger, and Japanese burger. These synonyms indicate the various ingredients and cultural influences used to create different flavors of rice burgers.