Potato and Shiitake Mushroom Gratin

Recipe by Annacia
READY IN: 2hrs
SERVES: 12
UNITS: US

INGREDIENTS

Nutrition
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DIRECTIONS

  • Melt butter or margarine in a large pot over high heat. Add all mushrooms, and saute; until liquid evaporates, about 10 minutes.
  • Add garlic, thyme, and rosemary; saute; 1 minute.
  • Add chicken broth. Simmer until liquid evaporates, stirring often, about 18 minutes.
  • Season with salt and pepper. Cool.
  • Position 1 rack in middle of the oven, and another rack in bottom third of oven. Preheat to 375 degrees F (190 degrees C).
  • Butter a 13x9x2 inch baking dish.
  • Peel potatoes, and cut into 1/8 inch slices.
  • Arrange 1/3 of the potatoes in prepared dish, overlapping slightly.
  • Top potatoes with half of the mushroom mixture.
  • Sprinkle 1/3 of the cheese over mushrooms.
  • Repeat layering 1/3 of the potatoes, remaining mushroom mixture, and 1/3 of the cheese.
  • Arrange remaining potatoes atop cheese.
  • Whisk half and half, cream, 1 1/4 teaspoon salt, and 1 teaspoon pepper in a large bowl to blend. Pour mixture over potatoes.
  • Cover loosely with foil.
  • Place baking dish on middle rack in oven, and a baking sheet on the bottom rack. Bake until potatoes are tender and liquid thickens, about 1 hour and 15 minutes,.
  • Uncover, using metal spatula, press on potatoes to submerge.
  • Sprinkle remaining cheese over potatoes.
  • Bake until cheese melts and gratin is golden at edges, about 15 minutes longer. Let stand 10 minutes.
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