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Which Wich Superior Sandwiches, often styled as whichWICH, is a United States-based fast casual restaurant chain focused on customizable sandwiches. The concept centers on a build-your-own model in which customers select from a variety of breads, proteins, cheeses, vegetables, and sauces. A distinctive feature is the use of a paper order bag—the staff use the bag to assemble the sandwich exactly as ordered, a process emphasized in the brand’s identity. In addition to bread-wrapped sandwiches, which Wich offers Unwich options, where the fillings are placed in a lettuce wrap instead of bread, marketed as a lower-carbohydrate or gluten-free alternative.

History and expansion: Which Wich was founded in the early 2000s by entrepreneur Jeff Sinelli in Dallas, Texas. The chain grew rapidly through franchising, expanding to hundreds of locations across the United States and into a handful of international markets. The brand has pursued modernization through digital ordering, loyalty programs, and occasional menu experimentation while maintaining its core customization concept.

Menu and branding: The core offering is its wide array of sandwiches that customers assemble to their liking. The Unwich line provides a lettuce-wrap option for many fillings. The brand emphasizes speed, value, and the ability to customize, with locations varying in additional items such as soups, sides, or beverages depending on the market.

Overview: Which Wich operates as a fast casual, franchise-driven model with a focus on personalized, on-demand sandwich creation, and it remains a recognizable name within the American sandwich segment.