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Cheesy Potato, Leek and Mushroom Gratin

Cheesy Potato, Leek and Mushroom Gratin Cheesy Potato, Leek and Mushroom Gratin

A delicious combination of leeks, mushrooms and potatoes topped with cheese and baked until crusty on top yet creamy underneath.













Trans-fat Free, High Fiber


¼ cup butter
1/2 stick, or half olive oil and half butter
1 pound mushrooms
white or cremini, sliced
1 tablespoon garlic
4 cups leeks
thinly sliced (white and pale green parts only)
1 tablespoon thyme
freshly minced
1 ¾ cups chicken broth, low salt
1 ¾ cups cream
¼ cup white wine
1 teaspoon salt
½ teaspoon black pepper
3 ¾ pounds russet potatoes
peeled, thinly sliced into rounds
2 ½ cups gruyere cheese
grate, about 10 ounces


Melt 2 tablespoons butter (or 1 tablespoon olive oil, 1 tablespoon butter) in heavy large skillet over medium-high heat.

Stir in mushrooms and sauté until almost tender, 4 to 6 minutes.

Stir in garlic and sauté until mushrooms are tender and golden, about 3 minutes longer.

Transfer mushroom mixture to bowl.

Melt remaining 2 tablespoons butter (or half olive oil, half butter) in same skillet over medium-high heat.

Stir in leeks and thyme and sauté until leeks are tender and beginning to brown, 7 to 9 minutes.

Add leek mixture to bowl with mushrooms. (Can be made 1 day ahead. Cover and refrigerate.)

Preheat oven to 400°F.

Butter 13 x 9 x 2-inch baking dish .

Combine broth, cream, wine, 1 teaspoon salt and ½ teaspoon pepper in large bowl, whisk to blend.

Layer ⅓ of potatoes on bottom of prepared dish.

Top with half of mushroom-leek mixture, then ¾ cup cheese.

Top with half of remaining potatoes.

Pour half of cream mixture over.

Top with remaining mushroom-leek mixture and ¾ cup cheese.

Cover with remaining potatoes.

Pour remaining cream mixture over, sprinkle with remaining cheese.

Bake gratin uncovered until potatoes are tender and sauce bubbles thickly, about 1 hour 20 minutes.

Let gratin stand 30 minutes before serving.


* not incl. in nutrient facts

Add review




This recipe is very good!! I did use romano and cheddar instead of the gruyere cheese. We all loved the flavor, and they were so creamy. I've pinned it to use again! Thank you!!

almost 3 years ago

Nutrition Facts

Serving Size 369g (13.0 oz)
Amount per Serving
Calories 43846% of calories from fat
 % Daily Value *
Total Fat 22g 34%
Saturated Fat 13g 66%
Trans Fat 0g
Cholesterol 70mg 23%
Sodium 422mg 18%
Total Carbohydrate 15g 15%
Dietary Fiber 5g 20%
Sugars g
Protein 33g
Vitamin A 26% Vitamin C 46%
Calcium 37% Iron 17%
* based on a 2,000 calorie diet How is this calculated?


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