Alfajores de Manjor Blanco | La Cucina Grandinetti

Ingredients

• 1/2 cup (1 stick) unsalted butter, softened
• 1/4 cup confectioner’ sugar, plus more for sifting
• 2 large egg yolks
• 1 tablespoon grated lemon zest
• 1/2 teaspoon vanilla extract
• 1-1/2 to 2 cups all-purpose flour
• 1 teaspoon baking powder
• 1 cup dulce de leche
• Finely grated dried coconut (optional)