As a rule, sandwiches made with rye breads are triple-decker, since these airy breads are not too much of a workout for the jaw.

Question

Quizplus · Accepted Answer

Rye breads being used for triple-decker sandwiches is not a standard rule; sandwiches can be made with various types of bread and the number of layers is not determined by the bread type. Rye bread can be dense and hearty, not necessarily airy.

As a Rule, Sandwiches Made with Rye Breads Are Triple-Decker