These Blackberry Pistachio Crumble Bars are the ideal summertime treat - portable, perfectly sweet and salty, and even more delicious with a scoop of vanilla ice cream! They are incredibly simple to make - the base and crumble are made with a mixture of oats, flour, butter, brown sugar, pistachios, and vanilla, and the blackberries cook down to a jam-like consistency beneath the oat crumble ...
Blackberry Pistachio Crumble Bars
