What is it about Summer and having late night munchies? It doesn’t help when cousins are staying over and you have teenage girls up all night having fun! So when midnight hits and we all get hungry of course they wanted to make My sister’s famous cookie bars. She’s been making them for many years and are everyone’s favorite. The last time I shared a recipe for cookie bars was last Summer with my own creation of Toffee Bars. Cookie Bars are so simple and quick that it really is the perfect thing for late night baking. So here is what the girls made.