Restaurants don’t stick around for nearly 150 years without picking up a few quirks along the way. Between flaming coffee cocktails of mysterious origins, century-old architectural features, and a truly inordinate amount of turkey options, Portland’s oldest restaurant is no exception. The establishment known today as Huber’s Cafe opened in 1879 as the Bureau Saloon. It became Huber’s by name in 1891 upon purchase by Frank Huber and relocated about 20 years later to its current home in the (then) brand-new Railway Exchange Building, the first fully concrete structure in…