Name: Crisp Sandwich Cookies Filled with Milk Caramel (Alfajores)
Yield: About fifteen 2- to 3-inch sandwich cookies
Cuisine: Italian
Ingredients: 1 tablespoon cognac or brandy; 1¼ cups unbleached all-purpose flour (spoon flour into dry-measure cup and level off); 1 cup sweetened shredded coconut, ground medium fine in the food processor; 1 teaspoon baking powder; 10 tablespoons (1¼ sticks) unsalted butter, softened; Water or milk as needed; ⅔ cup sugar; 1 teaspoon grated lemon zest; One 12-ounce can evaporated milk; One 14-ounce can sweetened condensed milk; 4 large egg yolks; 1⅔ cups cornstarch