INGREDIENTS
softened butter and flour for the pans
3
+ ½ cups unbleached all-purpose flour
2 tsp
baking powder
1 tsp
baking soda
1 tsp
salt
2 cups
buttermilk (I like Saco powdered buttermilk )
1 tbsp
pure vanilla extract
2 cups
firmly packed light or dark brown sugar
16 tbsp
unsalted butter, at room temperature
2
large eggs plus 2 large egg yolks, at room temperature
1
+ ½ cups (9 ounces) miniature chocolate chips (I like Ghirardelli )
1/2 cup
light heavy cream
1/2 cup
butter, softened
1/4 tsp
salt
1/2 cup
unsweetened cocoa powder, sifted
1 tsp
vanilla extract
2 tsp
espresso powder, optional
4 cups
confectioners' sugar, sifted