Lemon Cake Doberge

Ingredients

• cake
• 2 1/4 cups cake flour
• 2 teaspoons baking powder
• 1/4 teaspoon fine sea salt
• 1/2 cup sweet butter
• 1/4 cup crisco white shortening
• 1 1/2 cups white sugar
• 1 teaspoon pure vanilla extract
• 1 teaspoon lemon extract
• 3 large egg yolks, room temperature
• 1/2 cup milk
• 1/4 cup fresh lemon juice
• 3 egg whites, beaten till stiff
• lemon filling
• 1 1/4 cups white sugar
• 3 tablespoons cornstarch
• 3 tablespoons flour
• 1/8 teaspoon fine sea salt
• 1 1/2 cups cold water
• 3 egg yolks, lightly beaten
• 2 tablespoons sweet butter
• 2 teaspoons lemon peel, finely shredded
• 1/3 cup fresh lemon juice
• lemon frosting
• 6 ounces cream cheese, softened, room temperature
• 3 cups icing sugar
• 1 teaspoon lemon peel, finely shredded
• 1/4 teaspoon pure vanilla extract
• 1/4 teaspoon lemon extract