Secret Menus

Do You Know of a Secret Menu at a Boise Restaurant?
Do You Know of a Secret Menu at a Boise Restaurant?
Do You Know of a Secret Menu at a Boise Restaurant?
Apparently there is a well known, well kept secret, that I didn't know anything about.  It's secret menus at restaurants across the country.  Places like McDonald's, Chipoltle, StarBucks. Wendy's, Sonic and a bunch more.  Help a brother out. , Do you know about these?