• Sift the cocoa powder and flour.
• In another bowl, combine the chocolate and butter then microwave it until melted.
• Add in sugar. Then add the eggs one by one.
• Once fully combined, add in the dry ingredients.
• Transfer it into 7 inch sheet pan lined with parchment paper.
• Bake at 160 C in the oven for about 30 minutes (duration changes depending on the oven).

White Mocha Ganache

• Combine all of the ingredients and melt it in microwave. Stir after 30 sec.
• Repeat step until all dissolve.
• Let it set in fridge for a while.
• Beat it using hand mixer until velvety.
• Transfer it into piping bag.
• And let it set. After that pipe it as a filling!