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