Ingredients

The following ingredients have 36 Servings
  • 2 ¼ cups all-purpose flour
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • ½ teaspoon kosher salt
  • ¾ cup unsalted butter, (softened)
  • 1 ¼ cup granulated sugar
  • 3 large eggs, (room temp)
  • ⅓ cup sour cream, (room temp)
  • ⅔ cup whole milk, (room temp)
  • 5 Tablespoons fresh squeezed lemon juice
  • 1 Tablespoon finely grated lemon zest
  • ¼ cup store-bought, (high-quality lemon curd (to fill cake))
  • 1 ¼ cup unsalted butter, (softened)
  • 4 ½ cups confectioners' sugar
  • 1 teaspoon finely grated lemon zest
  • 2 teaspoons fresh squeezed lemon juice
  • ¼ teaspoon kosher salt
  • 8 oz mascarpone cheese

Instruction