Oreo Olallieberry Chocolate Layer Cake

Ingredients

For chocolate cake

  • 2 cups sugar
  • 2 cups flour
  • 1/3 cup black cocoa powder
  • 2/3 cup Dutch-processed cocoa powder
  • 1 teaspoon salt
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • 2 eggs, beaten
  • 1/2 cup vegetable oil
  • 1 cup whole milk
  • 1 cup hot coffee

For cocoa-olallieberry buttercream

  • 1/2 cup olallieberry puree, from about 3/4 cup olallieberries
  • 2 tablespoon black cocoa, sifted
  • 11 ounces sugar
  • 5 ounces water
  • 5 egg whites
  • Pinch of cream of tartar, optional
  • 2 ounces sugar
  • 4 sticks (1 pound) butter, at room temperature
  • Food coloring, if desired
  • Oreo cookies, chopped into sixths

For dark chocolate ganache

  • 3 ounces dark chocolate, chopped
  • 2 1/2 ounces manufacturing or heavy whipping cream
  • 1 tablespoon butter

Preparation

Click here for preparation method.

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