Chocolate Icebox Cookies with Dulce de Leche
For this dessert, two chocolate cookies surround a filling of dulce de leche, a caramel sauce popular in Central and South America.
Do not substitute dulce de leche ice cream topping.
Layer sandwich cookies between sheets of waxed paper in an airtight container; cover. Store in the refrigerator for up to 3 days. Or freeze unassembled cookies for up to 3 months. To serve, thaw and assemble cookies as directed in Step 6.