No churn dulce de leche ice cream

Besides being a cookbook junkie, I'm also addicted to kitchen gadgets (in my defence, I use them all the time, both the books and the gadgets). :) One of my favorite gadgets is my ice cream maker, which I keep in the freezer for whenever the feel for ice cream strikes, but knowing that not everyone has one I decided to try this recipe found in Nigella's latest book; not only was it dead easy to