Golden Mashed Potato Gratin

Name: Golden Mashed Potato Gratin
Ingredients: 3 1/2 pounds Yukon Gold potatoes, peeled and cut into 1-inch pieces; 8 tablespoons (1 stick) unsalted butter; 1/2 cup sour cream; 1/2 cup half-and-half; 1 tablespoon Dijon mustard; 2 cups fresh breadcrumbs

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www.marthastewart.com

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Author : Martha Stewart

Ingredients

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3 1/2 pounds Yukon Gold potatoes, peeled and cut into 1-inch pieces8 tablespoons (1 stick) unsalted butter1/2 cup sour cream1/2 cup half-and-half1 tablespoon Dijon mustard2 cups fresh breadcrumbs

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Instructions

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Step 1

Preheat oven to 350 degrees. In a large pot, bring potatoes to a boil in salted water over high. Reduce heat to a rapid simmer and cook until potatoes are tender when pierced with a knife, about 12 minutes. Drain, return to pot, and mash. Add 6 tablespoons (3/4 stick) butter and stir until melted. Stir in half-and-half and sour cream and season with salt and pepper. Transfer to a shallow 2-quart baking dish.

Step 2

In a medium bowl, stir together 2 tablespoons melted butter and mustard; add breadcrumbs and stir until coated. Sprinkle over potatoes and bake until breadcrumbs are golden brown, about 20 minutes.