INGREDIENTS
2 1/2 cups
cake flour
1 tsp
Baking powder
1 tsp
Baking soda
1/2 tsp
Salt
3/4 cup
buttermilk, room temp
3
TB grated zest
1/4 cup
lemon juice (3 lemons)
1 tsp
Vanilla
1 3/4 cups
sugar
1 1/2 sticks
butter, softened
3
large eggs plus 1 egg yolk, room temp
3 cups
powdered sugar
3
TB lemon juice
2
TB milk