These beautifully hued Blackberry Shortbread Biscuits came to being following one evening when my kids returned from a dog walk with my husband, proudly holding a treasure trove of ripe blackberries aloft in front of me asking me what I would make with them. My head was full of other recipes at the time and I had been caught a little off guard with this unexpected ingredient, I told them to pop the blackberries in the fridge while I thought about my options. My eldest sugge