Purple Potato Gratin Recipes

CLASSIC POTATO GRATIN

Steps:

• Preheat oven to 325°F. Cut 1 garlic clove in half and rub the inside of a 3-qt. shallow baking dish with cut sides. Smear butter all over inside of dish. Bring shallots, cream, salt, pepper, 1 Tbsp. thyme, and remaining 4 garlic cloves to a simmer in a small saucepan over low heat; cook until shallots and garlic are very soft, 15-20 minutes. Let cool slightly. Transfer to a blender; blend until smooth.
• Arrange potato slices in prepared dish, fanning out a handful at a time and placing in dish at an angle (this ensures every scoop will have tender potatoes from the bottom and crisp edges from the top). Shingle as you work until bottom of dish is covered. Tuck smaller slices into any gaps to fill. Pour cream mixture over potatoes and cover dish tightly with foil. Bake potatoes until tender and creamy, 60-75 minutes. Let cool.
• Place rack in highest position; heat broiler. Remove foil and top potatoes with Gruyere and Parmesan. Broil until cheese is bubbling and top of gratin is golden brown, 5-10 minutes. Serve topped with more thyme leaves.
• Do ahead
• Gratin can be baked 1 day ahead. Cover and chill. Bring to room temperature before broiling.

PURPLE POTATO GRATIN

Steps:

• Begin by making the gratin sauce. In a small pan place the butter and melt. Over medium heat add the flour and stir to combine, approximately one minute. Slowly whisk in the milk and stir until thickened. Add cheese and when melted remove pan from heat. Add salt and pepper to taste.
• Add the olive oil to a frying pan and heat. Add shallots and saute until slightly brown and caramelized. Remove from the pan and set aside. Place bacon in same skillet and cook through but do not let bacon get crispy. Remove from pan and cut into one inch pieces.
• Grease a gratin dish or shallow baking dish and add one half of the sliced potatoes. Sprinkle the shallots over the potatoes and then add the remaining potato slices. Pour the gratin sauce over the potatoes and spoon into visible cracks and crevices. Top with parmesan cheese and bacon. Bake for 40 minutes in a preheated 350 degree oven. Serve immediately.

PURPLE POTATO, MUSHROOM AND FONTINA GRATIN

Steps:

• Preheat oven to 400 degrees F. Melt butter in heavy large skillet over medium heat. Add shallots and mushrooms and saute until tender, about 5 minutes. Season to taste with salt and pepper. Arrange half of mushroom mixture in bottom of 13x9 inch glass baking dish. Arrange half of potatoes over. Combine salt, pepper and nutmeg in small bowl. Sprinkle half of mixture over potatoes. Spoon remaining mushroom mixture over. Arrange potatoes over mushroom mixture. Sprinkle remaining salt mixture over. Combine cream and stock in large bowl. Pour over vegetables. Cover tightly with foil. Bake until vegetables are almost tender, about 45 minutes. Increase oven temperature to 450 degrees F. Uncover pan. Bake until juices thicken, about 10 minutes. Sprinkle with cheese. Bake until cheese melts and is golden brown, about 10 minutes. Cool gratin 15 minutes before serving.

PURPLE POTATO GRATIN

Steps:

• Slice the potatoes 1/4-inch thick.
• Melt the butter in a skillet over low heat. Add the onions and saute until almost translucent. Add the garlic just before onions are done. Stir in the cream and bring to a simmer. Add the salt along with most of the Cheddar and Parmesan.
• Preheat the oven to 450 degrees F.
• In a baking dish make multiple layers of sliced potatoes and cream sauce ending with a layer of cream sauce. Sprinkle with the remaining Cheddar, Parmesan, and panko.
• Bake the potatoes for 60 minutes. Cook's Note: Cooking time may be decreased by deep- frying the potato slices for 3 minutes and simmering the cheese sauce until the dish is ready to be assembled.

GARLIC POTATOES GRATIN

Steps:

• Preheat oven to 325 degrees F (165 degrees C). Lightly grease a 9x13 inch baking dish.
• In the prepared dish layer 1/2 of the potatoes, 1/2 of the cheese, then the remaining potatoes.
• Melt the butter in a small skillet over medium heat. Saute garlic until fragrant and golden brown; pour over potatoes.
• Combine cream, salt and pepper; pour evenly over potatoes and sprinkle with remaining cheese.
• Bake in preheated oven for 75 minutes. Serve immediately.

PURPLE-POTATO AND CRAB GRATIN

Steps:

• Preheat oven to 450°F. Brush bottom and side of a 3-quart gratin dish (about 15 by 10 by 2 inches) with olive oil. With flat side of a heavy knife lightly crush garlic and rub over bottom and side of dish.
• In a small bowl stir together cream and nutmeg, sea salt, and white pepper to taste. Pick over crab meat to remove any bits of shell and cartilage and divide into 3 portions. Peel potatoes and with a mandoline or other manual slicer cut crosswise into 1/8-inch-thick slices. Divide potatoes into 4 portions. In gratin dish evenly arrange 1 portion potatoes and top with 1 portion crab, spreading evenly. Season crab layer with sea salt and white pepper. Repeat layering with remaining portions of potatoes and crab, seasoning each crab layer and ending with potatoes. Pour cream evenly over gratin and press down on top layer of potatoes to briefly submerge them in cream.
• Bake gratin, covered with foil, in middle of oven 20 minutes. Remove foil and bake gratin until potatoes are tender and lightly browned, about 25 minutes more.

MAJESTIC POTATOES AU GRATIN

Steps:

• Preheat oven to 375.
• Oil bottom of a casserole pan.
• Melt butter in microwave oven. Mix in flour and then whisk in milk. Microwave 2 minute to slightly thicken. Stir in nutmeg, pepper flakes. Set aside.
• Place the white and purple sliced potatoes into separate bowls.
• Mix half of the red onion and garlic with each of the potatoes. Drizzle with olive oil just to coat and sprinkle with seasoned salt to taste and black pepper.
• Toss to separate the slices and coat them with the oil and seasonings.
• Layer half of the purple potatoes in the casserole dish then place 1/4 of the cheese over the layer of purple potatoes; layer 1/2 the white potatoes over the layer of cheese then top with 1/4 of the cheese. Repeat with remaining potatoes and cheese.
• Pour the white sauce over the potatoes and using a knife help it into the layers.
• Mix the panko and Parmesan cheese together and then sprinkle on top of the sauce.
• Bake for 45-60 minutes.

ROASTED PORTOBELLO AND POTATO GRATIN

Steps:

• Heat oven to 400 degrees. Line a baking sheet with sides with a sheet of parchment. Place mushrooms gill side up on parchment. Thinly slice 3 garlic cloves, and scatter over mushrooms. Place a thyme sprig on each mushroom, drizzle caps with olive oil, salt and pepper, and place in oven until soft and releasing liquid, 10 to 15 minutes. Remove, and allow to cool. Keep oven on.
• Heat 1 tablespoon butter in a skillet, add onions, and sauté over medium-low heat until soft and beginning to color. Add cream and milk, scald, and remove from heat. Use remaining butter to grease a 9-inch gratin dish about 2 inches deep. Rub dish with remaining garlic clove.
• Remove and reserve garlic from mushrooms. Discard thyme. Slice mushrooms 1/2 inch thick.
• Peel and thinly slice potatoes. Place 1/3 of the potatoes in gratin dish, season with salt, pepper and nutmeg, scatter with half the reserved sliced garlic. Arrange half the mushroom slices on top. Repeat layers. Layer last third of potatoes on top. Season with salt and pepper. Pour scalded milk and cream with onions on top. Strew bread crumbs on top.
• Place gratin dish on a baking sheet, and place in oven. Bake about 1 hour, until potatoes are tender and liquid has thickened. If top browns too fast, tent with foil. Allow to stand 10 minutes, then serve.