Au Gratin Potato Casserole Recipes

Learn how to make the best au gratin potatoes with help from our tips, how to videos and no-fail recipes.

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Carrot, Parsnip and Potato Gratin

Thanks to a challenge in the TOH online community a few years back, my husband and I tried parsnips and discovered that we liked them! In fact, I started growing them in my garden and have been trying new things with them, including this recipe. —Sue Gronholz, Beaver Dam, Wisconsin

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Au Gratin Peas and Potatoes

While this delicious potato skillet is a wonderful side dish, we find it satisfying enough to be a main course,...