Potato and Mushroom Gratin

Total Time:Prep: 20 min. Bake: 55 min.

By Taste Of Home Editorial Team

Recipe by Laurie LaClair, North Richland Hills, Texas

Tested by Taste of Home Test Kitchen

Updated on Sep. 23, 2022

“Rich, decadent and indulgent, this creamy recipe is laced with wine and makes a perfect take-along side dish for potlucks or open houses. It looks impressive and is always a huge hit!” Laurie LaClair - North Richland Hills, Texas

TEST KITCHEN APPROVED

Potato and Mushroom Gratin

Contest Winner
Yield:8 servings
Prep:20 min
Cook:55 min

Ingredients

  • 2 jars (4-1/2 ounces each) sliced mushrooms, drained
  • 3 shallots, finely chopped
  • 1 tablespoon olive oil
  • 2 tablespoons Marsala wine
  • 3 large potatoes (about 1-1/2 pounds), peeled and thinly sliced
  • 1 cup shredded Swiss cheese
  • 1/2 cup shredded Parmesan cheese
  • 2 tablespoons minced fresh basil or 2 teaspoons dried basil
  • 1-1/2 cups heavy whipping cream
  • 1 tablespoon butter, cubed
  • 1/8 teaspoon salt
  • 1/8 teaspoon pepper
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Directions

  1. In a large skillet, saute mushrooms and shallots in oil until tender. Add wine; cook and stir for 2 minutes.
  2. Arrange a third of the potatoes in a greased 10-in. round shallow baking dish. Layer with half of the mushroom mixture, cheeses, basil and another third of potatoes. Repeat layers. Pour cream over top. Dot with butter; sprinkle with salt and pepper.
  3. Bake, uncovered, at 350° for 55-65 minutes or until potatoes are tender.
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