Ingredients
Makes one 8-inch square cake
3 large egg yolks, at room temperature
1/2 cup sour cream
1 teaspoon vanilla extract
1 1/2 cups cake flour
3/4 cup granulated sugar
1/4 teaspoon baking powder
3/8 teaspoon baking soda
1/4 teaspoon salt
6 tablespoons unsalted butter, at room temperature, cut in to 6 pieces
2 tablespoons + 2 teaspoons cream cheese, at room temperature
Preparation
