Bacon and Cheddar makes everything better, so Shack Shack is introducing the Bacon Cheddar Shack for a limited time only.  The Bacon Cheddar Shack (Single $6.89 / Double $9.69)is a 100% all-natural Angus beef hamburger topped with smoked Niman Ranch bacon and Wisconsin aged cheddar cheese sauce. Enjoy it with a Shack-made strawberry mint lemonade or a Shack Shandy made with local Austin brews.

 

Also for a limited time only is the Blueberry Pie Oh My concrete or shake, rich and creamy vanilla frozen custard blended with a slice of Four & Twenty Blackbirds blueberry pie and topped with whipped cream. Single: $4.59 / Double: $6.79).