orange chocolate chunk layer cake

Ingredients For orange chocolate chunk layer cake

• FOR THE ORANGE CHOCOLATE CHUNK CAKE
• 1/2 lb

  unsalted butter at room temperature
• 2 c

  sugar
• 4

  extra-large eggs at room temperature
• 1/4 c

  grated orange zest (from 4 large oranges)
• 3 c

  all-purpose flour plus 2 tablespoons
• 1/2 tsp

  baking powder
• 1/2 tsp

  baking soda
• 1 tsp

  kosher salt
• 1/4 c

  freshly squeezed orange juice
• 3/4 c

  buttermilk at room temperature
• 1 tsp

  pure vanilla extract
• 2 c

  good semisweet chocolate chunks
• FOR THE SYRUP
• 1/4 c

  sugar
• 1/4 c

  freshly squeezed orange juice
• FOR THE GANACHE
• 8 oz

  semisweet chocolate chips
• 1/2 c

  heavy cream