Final answer:
Customers ordering a burger have several options for the type of roll they can choose from, such as sesame seed buns, potato buns, whole wheat buns, pretzel buns, gluten-free buns, ciabatta, or brioche buns.
Step-by-step explanation:
When ordering a burger, customers have several options for the type of roll they can choose. Commonly, burgers are served on a variety of rolls such as sesame seed buns, potato buns, whole wheat buns, pretzel buns, or gluten-free buns. Some restaurants even offer specialty rolls like ciabatta or brioche buns for a unique taste and texture.