Catch @annafgass and @jujuchangabc making Rugelach for our 12 Days of Christmas Cookies tomorrow morning! Grandma Harriet’s Rugelach 2 cups AP flour, + more for rolling 1/3 cup granulated sugar 1 teaspoon vanilla powder, or extract ½ teaspoon kosher salt 8 ounces cream cheese, softened and cut into small pieces 1 ½ sticks unsalted butter, softened, and cut into small pieces 1/3 cup sour cream 1 egg, beaten Sanding sugar, for garnish Place the flour, sugar, vanilla powder, and salt in a food processor and pulse to combine. Feed the cheese and butter though the tube with the motor running. Once a dough begins to form, add the sour cream and continue to mix until fully combined. The dough will be very tacky. With floured hands, remove the dough from the processor onto a large piece of cling wrap. Press the dough into a large circle and wrap tightly. Place in the refrigerator for one hour. Once the dough is ready, cut it into four equal parts. Preheat the oven to 350 degrees. Roll...