Duchess Potato Casserole

Name: Duchess Potato Casserole
Yield: Serves 8 to 10
Ingredients: 3 1/2 pounds, Yukon Gold potatoes, peeled and sliced 1/2 inch thick; 2/3 cup, half-and-half; 1 , large egg, separated, plus 2 large yolks; , Salt and pepper; Pinch, nutmeg; 10 tablespoons, unsalted butter, melted

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Appears in Cook's Illustrated November/December 2017, America's Test Kitchen TV

Side Dishes

Potatoes

Casseroles

For potatoes that are elegant yet easy, we revamp a fussy French classic.

SERVES8 to 10

TIME1½ hours, plus 20 minutes cooling

has video

WHY THIS RECIPE WORKS

Pommes duchesse is a classic French preparation of piped individual mounds of egg-enriched mashed potatoes. They can be made in advance, they look festive, and they taste great with a variety of entrées; however, they are rather fussy to pr...

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