INGREDIENTS
1 1/4 cups
flour
1 tbsp
unsweetened cocoa powder
1/2 tsp
baking soda
1/2 tsp
salt
1 stick
unsalted butter, at room temperature
3/4 cup
granulated sugar
1
large egg
1 tbsp
red food coloring
1 1/2 tsp
pure vanilla extract
1/2 cup
buttermilk
2 cups
confectioners’ sugar
2 tbsp
cornstarch
4 oz
semi-sweet chocolate