INGREDIENTS
2 cups
flour
1/4 cup
cornstarch
2 1/2
tsps baking powder
1/2 tsp
baking soda
3/4 cup
sour cream (at room temperature)
1/4 cup
whole milk (at room temperature)
1 cup
salted butter (at room temperature)
1 1/2 cups
granulated sugar
2
large eggs (at room temperature)
1
large egg yolk (at room temperature)
2 tsp
bourbon
vanilla bean
1/4 cup
unsweetened cocoa powder
2 tbsp
milk
3/4 cup
semi sweet chocolate
3 tbsp
cream
1 cup
confectioners sugar
2 tbsp
milk