On the surface, the drink selection is simple: three shake flavors, a handful of sodas, pink lemonade, and iced tea. But the hidden menu extends into drinks just as much as burgers. The ingredients in that kitchen can be combined in ways that produce a dozen different drinks most customers never think to order.
This is the most well-known secret drink. Ask for a Neapolitan Shake and the worker blends all three shake flavors — vanilla, chocolate, and strawberry — into a single cup. The result is a layered, multi-flavor shake that some locations will pour in separate stripes rather than fully blending. Either version works.
Any soda on the menu can be turned into a float by adding a swirl of vanilla shake. The Root Beer Float is the most popular combination, but Coke floats, Dr Pepper floats, and 7-Up floats all work. When ordering, ask for a half cup of soda first — this prevents overflow when the shake is added.
Half iced tea, half pink lemonade. This is a classic summer drink combination that works perfectly with the available ingredients. Most locations will make it on request. If the worker isn't familiar with the name, describe it directly.
Half 7-Up, half pink lemonade. The fizz from the 7-Up turns the still lemonade into something closer to a sparkling lemonade. This is a lighter option than a shake but more interesting than a plain soda.
Any two shake flavors can be combined. Chocolate and vanilla (Black & White) is the classic pairing. Vanilla and strawberry, chocolate and strawberry — all are available on request. The Around the World shake layers all three flavors in one cup without blending them together, so you can taste each section separately.
Standard shakes come in one size. But if you ask for a large or X-Large, most locations will accommodate. This isn't advertised anywhere on the board — it's one of the most straightforward hidden options and the one most likely to be granted without any pushback.