This recipe was tested with Nestle La Lechera dulce de leche; look for it in the international foods section. If using Eagle Brand dulce de leche (caramel flavored sauce), thicken according to package directions before using.
I'm originally from Paraguay, and dulce de leche reminds me of where I came from. If you can't find it at your grocery store, try caramel ice cream topping instead. It tastes different, but this decadent dessert will still be amazing. —Sonia Lipham, Ranburne, Alabama