01 -
1½ cups all-purpose flour, spooned and leveled.
02 -
½ cup Dutch-process cocoa powder.
03 -
1 teaspoon baking soda.
04 -
½ teaspoon fine sea salt.
05 -
½ cup butter, room temperature.
06 -
1 cup sugar.
07 -
2 large eggs, at room temperature.
08 -
1 teaspoon pure vanilla extract.
09 -
1 cup fresh buttermilk.
10 -
½ cup warm hot fudge sauce, plus extra for topping.