Meyer Lemon Raspberry Cupcakes

INGREDIENTS

• 1 cup (2 sticks) unsalted butter
• 2 cups sugar
• 2 teaspoons vanilla bean paste or 1 vanilla bean, scraped
• 5 large eggs, separated
• 1 3/4 cups plus 2 tablespoons plus 1 teaspoon all-purpose flour
• 1 cup plus scant 1/3 cup cake flour (not self-rising)
• 2 teaspoons baking powder
• 1/2 teaspoon salt
• 1 cup sour cream
• Meyer Lemon Curd
• Vanilla Bean Buttercream
• Sanding sugar
• 24 raspberries