INGREDIENTS
3
Eggs, large
1 tsp
Baking powder
1 tsp
Baking soda
2 cups
Cake flour
1 cup
Cocoa powder, natural unsweetened
2 1/8 tsp
Kosher salt
1/2 cup
Powdered sugar
1
Sea salt, Flaky
13 oz
Semisweet or bittersweet chocolate
3 cups
Sugar
2 1/2 tsp
Vanilla
1
Vanilla bean
1
Vegetable oil spray, Nonstick
18
Diameter cake pans with 2"-high sides
1 cup
Coffee, hot strong
1 cup
Butter, unsalted
3/4 cup
Buttermilk
3 cups
Heavy cream
1 1/4 tsp
Gelatin, unflavored