INGREDIENTS
1 cup
unsalted butter
2 1/4 cups
flour
1/4 cup
unsweetened cocoa powder
1/2 tsp
kosher salt
1/2 tsp
baking soda
1/4 tsp
baking powder
2 cups
sugar
1 tsp
vanilla extract
4 larges
eggs
8 oz
semisweet chocolate
1 cup
chocolate syrup
1 cup
buttermilk