Cheesy Mashed Potato Casserole with Parmesan, Browned Butter, and Sage

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Appears in Cook's Country October/November 2020

Irresistibly cheesy potatoes that can be made ahead? Your Thanksgiving just got a whole lot easier (and tastier).

SERVES 10 to 12

TIME 1½ hours, plus 30 minutes cooling

Cheesy Mashed Potato Casserole with Parmesan, Browned Butter, and Sage

WHY THIS RECIPE WORKS

We wanted irresistibly cheesy mashed potatoes that could be made ahead of time. To start, we sliced 4 pounds of Yukon Gold potatoes (enough to ensure a full casserole dish) and boiled them in well-seasoned water. Once they were completely t...

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