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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Parsnip Potato Gratin

Parsnips don't get much space in the produce section. But their subtle sweetness makes them worth the hunt.—Kerry Dingwall, Ponte Vedra, Florida

Potato and Fennel Gratin

Fennel adds a snappy undertone to velvety potato gratin without being overpowering. It balances the richness of the cheese.—Nancy Roth,...


Fontina Potatoes Au Gratin

We use a white sauce and mild fontina cheese to coat sliced potatoes in this casserole for two. It's rich...


Potato and Mushroom Gratin

“Rich, decadent and indulgent, this creamy recipe is laced with wine and makes a perfect take-along side dish for potlucks...


Party Potatoes Au Gratin

Hearty helpings of these cheesy spuds will please hungry folks in a hurry. The rich, creamy sauce makes this recipe...

Mustard Potatoes Au Gratin

These rich and creamy potatoes taste great with a variety of meats.
—Tangee Thaler, Silver Lake, Ohio


Sweet Potatoes au Gratin

This rich, sweet potato casserole couldn't be any easier to make—or more delicious to eat! —Patti Kirchhoff, Lake Geneva, Wisconsin

Sweet Corn and Potato Gratin

This tasty potato gratin side dish combines great garlic and onion flavor, and kids love the nice crispy topping, too!...


Au Gratin Potatoes ‘n’ Leeks

I love making casseroles during the holidays. It made me a fan of Gruyere cheese for au Gratin dishes. —Rosalie...