Potato and Shiitake Mushroom Gratin
photo by Nimz_
- Ready In:
- 2hrs
- Ingredients:
- 15
- Serves:
-
12
ingredients
- 88.74 ml butter
- 680.38 g mushrooms, chopped
- 680.38 g fresh shiitake mushrooms, stemmed and coarsely chopped
- 44.37 ml minced garlic
- 9.85 ml dried thyme
- 4.92 ml dried rosemary, crushed
- salt
- ground black pepper
- 473.18 ml chicken broth
- 1360.77 g baking potatoes, scrubbed
- 473.18 ml parmesan cheese
- 473.18 ml heavy cream
- 6.16 ml salt
- 4.92 ml ground black pepper
- 473.18 ml half-and-half cream
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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