INGREDIENTS
3 1/3 cups
Blackberry
3
Eggs, large
1 7/8 cups
All-purpose flour
3/4 tsp
Baking powder
2 tsp
Baking soda
3/4 cup
Cocoa powder, good quality dark
1 tbsp
Cornstarch
1/2 cup
Granulated sugar
1 tsp
Kosher salt
6 cups
Powdered sugar
1 pinch
Salt
1 tsp
Vanilla extract, pure
1 tsp
Vanilla extract
1/2 cup
Vegetable oil
2 cups
Butter, unsalted
1 cup
Buttermilk
3 tbsp
Heavy whipping cream
1 cup
Water, hot
2 cups
Minus 2 tablespoons granulated sugar