Mustard Potatoes Au Gratin
TOTAL TIME: Prep: 15 min. Bake: 55 min.
YIELD: 12 servings.
These rich and creamy potatoes taste great with a variety of meats.
—Tangee Thaler, Silver Lake, Ohio
Ingredients
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1/3 cup finely chopped green onions
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3 tablespoons butter, divided
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2 cups heavy whipping cream
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1/2 cup Dijon mustard
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1 cup shredded Swiss or Gruyere cheese, divided
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8 medium potatoes, peeled and thinly sliced
Directions
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1.
In a small saucepan, cook onions in 1 tablespoon butter for 2 minutes or until tender. Stir in the cream, mustard and remaining butter. Bring to a boil. Reduce hear; simmer, uncovered, for 5 minutes.
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2.
Reduce heat to low; stir in half of the cheese until melted. Remove from the heat. In a greased shallow 2-1/2-qt. baking dish, layer a third of the potatoes; top with a third of the sauce. Repeat layers twice; sprinkle with remaining cheese.
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3.
Bake, uncovered, at 400° for 30 minutes. Cover and bake 25-30 minutes longer or until potatoes are tender. Let stand for 5 minutes before serving.
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