INGREDIENTS
1 1/3 tbsp
Lemon, zest
3
Eggs, large
1/4 cup
Lemon curd, store-bought high-quality
5 2/3 tbsp
Lemon juice, fresh squeezed
2 1/4 cups
All-purpose flour
1 tsp
Baking powder
1 tsp
Baking soda
4 1/2 cups
Confectioners' sugar
1 1/4 cups
Granulated sugar
3/4 tsp
Sea salt, fine
2 cups
Butter, unsalted
8 oz
Mascarpone cheese
1/3 cup
Sour cream
2/3 cup
Whole milk