Best 24-Hour Restaurants in Austin | Eater Austin
"Famously, most locations of the Austin diner chain were open 24/7, but that changed because of the pandemic. However, since then, the South Lamar diner has returned to somewhat some all-hours services, just on Saturdays. For those out all night on a big weekend, head here for breakfast all day — think migas, chicken and pancakes, chicken and pancakes, and just about every variety of breakfast platter that could be dreamed up. Vegan pancakes are also an option." - Nadia Chaudhury
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