Preheat oven to 350°. Line bottoms of 2 greased 9-in. round pans with parchment; grease parchment. Beat the first 5 ingredients until well blended. In another bowl, whisk together flour, sugar, baking cocoa and baking soda; gradually beat into oil mixture., Transfer batter to prepared pans. Bake until a toothpick inserted in center comes out clean, 25-30 minutes. Cool in pans 10 minutes before removing to wire racks; remove parchment. Cool completely., Beat cream cheese, butter and vanilla until blended. Gradually beat in confectioners’ sugar until smooth. Using a long serrated knife, trim tops of cakes; set tops aside. Place 1 cake layer on a serving plate. Spread with 3/4 cup frosting. Top with remaining cake layer, bottom side up. Frost top and sides with remaining frosting., Break cake tops into pieces. Pulse in a food processor until fine crumbs form. Decorate cake with crumbs as desired.