Sifted: Brioche with Sour Cream Custard, Plum Upside Down Cake + More by SKFitLife | Sep 2, 2014 | Recipes | 0 comments Hot Links We’re Loving: Take it from Lady and Pups . Make a shallow pool in the dough for Brioche with Blueberry Sour Cream Custard to get the best of both worlds: buttery brioche and creamy citrusy custard. Your average upside down…