Potato Casserole with Bacon and Caramelized Onion

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Appears in Cook's Illustrated March/April 2012

SERVES6 to 8 as a side dish

TIME1¾ hours, plus 20 minutes resting

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WHY THIS RECIPE WORKS

In the old days, this casserole of potatoes and onions was baked beneath a roast, which allowed the casserole to be seasoned by the savory fat and juices of the roast. To get the same luxurious results without the roast, we started by rende...

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