Ingredients
FOR THE CAKE:
2 1/2 cups cake flour
1 Tablespoon baking powder
1/2 teaspoon salt
1 1/4 cups buttermilk
4 large egg whites
1 1/2 cups granulated white sugar
2 teaspoons freshly grated lemon zest
1/2 cup (1 stick) unsalted butter, at room temperature
1/2 teaspoon pure lemon extract
FOR THE BUTTERCREAM:
1 cup granulated white sugar
4 large egg whites
1 1/2 cups (3 sticks) unsalted butter, at room temperature
1/4 cup freshly squeezed lemon juice (from 2 large lemons)
1 teaspoon vanilla extract
FOR FINISHING:
2/3 cup seedless raspberry preserves, stirred vigorously until spreadable
fresh raspberries
Instructions
1. Center a rack in the oven and preheat oven to 350°F. Butter two 8 or 9-inch round cake pans and line the bottom of each pan with a round of buttered parchment or wax paper. Put the pans on a baking sheet.
