Chocolate Oreo Cake

CHOCOLATE CAKE 2 cups (260g) flour 2 cups (414g) sugar 3/4 cup (85g) Hershey’s Special Dark Cocoa powder 2 tsp baking soda 1 tsp salt 2 large eggs 1 cup (240ml) buttermilk 1 cup (240ml) vegetable oil 1 1/2 tsp vanilla 1 cup (240ml) boiling water OREO ICING 1 1/2 cups (336g) butter 1 1/2 cups (284g) shortening 8-9 cups (920g-1035g) powdered sugar 3 cups (414g) Oreo crumbs (about 33 Oreos) 1 tsp vanilla extract 6-7 tbsp (90ml-105ml) water CHOCOLATE GANACHE 6 oz (1 cup | 169g) semi sweet