INGREDIENTS
•
2 cups all-purpose flour
•
1/4 teaspoon salt
•
1 cup (2 sticks) cold unsalted butter, cut into pieces
•
1/2 cup sour cream
•
1 egg yolk
•
8 ounces cream cheese, at room temperature
•
1 egg
•
1/2 cup sugar
•
1 teaspoon pure vanilla extract
•
1 teaspoon freshly grated lemon zest
•
Confectioners' sugar