Heat oven to 350℉.
Spray three 6-inch round pans with baking spray. Set aside.
In a small bowl, whisk together cocoa powder and boiling water. Set aside.
In a large bowl, whisk together flour, malt, sugar, baking powder, baking soda, and salt. Set aside.
In a medium bowl, whisk together eggs, milk, oil, and vanilla.
Pour over top of dry ingredients.
Mix until smooth.
Stir in bloomed chocolate.
Divide batter evenly into prepared pans.
Bake for 30-35 minutes, or until cake tests done.
Let cool at least 10 minutes before turning out.