Nestled in the heart of Mifflin County, where Pennsylvania’s rolling hills cradle the winding Juniata River, sits a burgundy brick house that’s become the worst-kept secret among barbecue enthusiasts.

The Taco de Adobada represents the restaurant’s Tijuana roots, featuring marinated pork that’s been seasoned with a blend of chiles and spices that would make your abuela weep with joy. For the ...