INGREDIENTS
nonstick cooking spray; as needed
1 cup
unsalted butter (2 sticks); softened
1 3/4 cups
granulated sugar
4
eggs; room temperature
1 cup
milk; room temperature
1/2 tsp
vanilla extract
1/2 tsp
lemon extract
2 1/2 cups
cake flour
2 1/2 cups
all-purpose flour
1 tsp
baking powder
1/2 tsp
salt
4 cups
powdered sugar; sifted
1/4 cup
boiling water (to 1/3)
2 oz
bittersweet chocolate; chopped