"Today, I am pleased to introduce you to this ubiquitous Czech pastry: the famous kolache (kolá?), and more specifically a version with blueberries called bor?vkový kolá?. Kolache is at the intersection of pie and brioche. It is a delicious pie-brioche-crumble with blueberries. It is found mainly in Central Europe and Eastern Europe. Also, if people often replace blueberries with poppy seeds or jam, do not be surprised to see these pastries in their savory version too! Indeed, traditional fillings also include..."