INGREDIENTS
1/2 tsp
baking powder
1/2 tsp
baking soda
3/4 cup
buttermilk
2 cups
confectioners' sugar
4 extra larges
eggs
3 cups
flour
2 1/2 cups
granulated sugar
1 tsp
kosher salt
3/4 cup
lemon juice
3 1/2 tbsp
lemon juice
1/3 cup
lemon zest
1/2 lb
unsalted butter
1 tsp
vanilla extract