Caramelized Onion and Potato Gratin
We wanted to dress up our trusty potato gratin with sweet caramelized onions. But dealing with those onions led to tears of frustration.
SERVES6 to 8
WHY THIS RECIPE WORKS
To ensure that the potato slices for our Caramelized Onion and Potato Gratin were all the same thickness, we used a mandoline instead of slicing them by hand. We caramelized the onions in a third of the time by adding brown sugar and cookin...