Five Spice Pecan Plum Empanadas

Name: Five Spice Pecan Plum Empanadas
Prep time: 30 min
Cook time: 20 min
Total time: 50 min
Cuisine: Mexican
Ingredients: 2 cups all-purpose flour (plus more for dusting); 1/2 cup granulated sugar; Pinch of kosher or coarse sea salt; 12 tablespoons (1 1/2 stick) unsalted butter (diced ); 1 egg; 3 tablespoons sour cream; 1/2 pound plums (pitted and diced (about 1 1/2 cups)); 1/4 pound apricots (pitted and diced (about 3/4 cup)); 1/2 cup pecans (finely chopped); 1/4 cup dark brown sugar or shredded piloncillo; 1 1/2 teaspoons cornstarch; 1 1/2 teaspoons freshly squeezed lime juice; 1/8 teaspoon five spice powder; 1 egg (beaten for brushing); Granulated sugar for dusting (or you may use turbinado or dark brown sugar); Dulce de leche or cajeta (to drizzle on top or on the side for dipping (optional))