"Jon Czerw starts smoking links of kielbasa at 4 a.m. at this legendary, family-owned Philly institution that has been open since 1938. Czerw’s features a wide variety of kielbasa, including spicy jalapeno kielbasa and old-school pork hot dogs. Pierogi are also made in-house and sell out quickly. Around Christmas and Easter holidays, the line is known to extend around the block, but it’s worth the wait." - Natalie Jesionka