Mustikkapiirakka ♥ Finnish blueberry pie

Blueberry pies are impossibly beautiful. Mustikkapiirakka is a pie with a tender crust, caramel flavor and rich blueberry-ishness. The yummiest one:) You can easily use fresh or frozen berries for this recipe, or substitute bilberries, blackberries, raspberries, or any other fruit. I used bilberries here. Bilberries are juicier than blueberries, darker in color ranging from blue to purple-black.    …