Gluten-Free Super-Moist Chocolate Cake

Ingredients

• Chocolate Sponges
• 280g dark chocolate (60 to 70 percent cocoa solids), chopped
• 200g unsalted butter
• 250g granulated sugar
• 4 large eggs, at room temperature
• 160g gluten-free flour blend
• 80g almond flour
• 40g Dutch processed cocoa powder
• 2 teaspoons baking powder
• 1 teaspoon baking soda
• ½ teaspoon xanthan gum
• ½ teaspoon kosher salt
• 120g hot water
• 120g whole milk, warmed
• Chocolate Buttercream
• 600g unsalted butter, softened
• 400g confectioners’ sugar
• 100g Dutch processed cocoa powder
• 300g dark chocolate (60 to 70 percent cocoa solids), melted and cooled