Cream Cheese and Poppy Seed Cakes

INGREDIENTS

1 cup

unsalted butter, softened, plus more for molds

1 1/2 cups

cake flour (not self-rising), plus more for molds

1/2 tsp

coarse salt

1 1/3 cups

granulated sugar

large eggs, plus 3 large egg yolks

1 1/2 tsp

pure vanilla extract

3/4 cup

whipped cream cheese, room temperature

3 tbsp

confectioners' sugar, plus more for dusting

1 tsp

poppy seeds