Cream Cheese and Poppy Seed Cakes

INGREDIENTS

• 1 cup (2 sticks) unsalted butter, softened, plus more for molds
• 1 1/2 cups cake flour (not self-rising), plus more for molds
• 1/2 teaspoon coarse salt
• 1 1/3 cups granulated sugar
• 3 large eggs, plus 3 large egg yolks
• 1 1/2 teaspoons pure vanilla extract
• 3/4 cup whipped cream cheese, room temperature
• 3 tablespoons confectioners' sugar, plus more for dusting
• 1 teaspoon poppy seeds