Potato-Mushroom Gratin

True new potatoes are freshly dug and may be as small as marbles or as large as full-size potatoes. Since the sugars in new potatoes haven't converted to starch, they have a crispy texture and thin skin, which means they cook quickly. Keep an eye out for them in your produce section or at your local farmer's market from late spring through early summer.

All You APRIL 2005

  • Yield: 6 Servings
  • Cost Per Serving:$.87


  • 1 tablespoon unsalted butter
  • 8 ounces small mushrooms, preferably cremini, quartered
  • 2 large eggs
  • 3/4 cup milk
  • 1/2 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 pound cooked small white new potatoes, peeled and quartered
  • 4 ounces Swiss cheese, grated


Preheat oven to 375°. Butter a shallow 1 1/2-quart casserole. Melt 1 Tbsp. butter in a medium skillet over medium-high heat. Add mushrooms and cook for about 6 minutes. Remove from heat. Beat eggs, milk, salt and pepper in a bowl. Stir in mushrooms, potatoes and cheese. Place in casserole and bake for 35 to 45 minutes.

Nutritional Information

Amount per serving
  • Calories: 205
  • Fat: 10g
  • Saturated fat: 6g
  • Protein: 11g
  • Carbohydrate: 19g
  • Fiber: 2g
  • Cholesterol: 98mg
  • Sodium: 426mg

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Potato-Mushroom Gratin Recipe