Best 20 Squash Gratin Recipes

YELLOW SQUASH AND ZUCCHINI GRATIN

Steps:

• Preheat oven to 450°. In a large skillet, melt butter over medium heat; add zucchini, yellow squash and shallots. Sprinkle with salt and pepper. Cook, stirring occasionally, 4-6 minutes or until vegetables are crisp-tender. Add garlic; cook 1 minute more., Add the cream; cook until thickened, 3-5 minutes. Remove from heat; stir in 1/2 cup bread crumbs and 1/4 cup cheese. Spoon mixture into a greased 11x7-in. or 2-qt. baking dish. Sprinkle with remaining bread crumbs and cheese. Bake until golden brown, 8-10 minutes.

ZUCCHINI AND YELLOW SQUASH GRATIN

Steps:

• Preheat oven to 450. In a large skillet, melt butter over medium heat; add zucchini, yellow squash, shallots, and garlic. Season with salt and pepper. Cook, stirring occasionally, until zucchini and squash are crisp-tender, 4 to 6 minutes.
• Add cream, and cook until thickened, about 5 minutes. Remove skillet from heat; stir in 1/2 cup panko and 1/4 cup Parmesan.
• Spoon mixture into a shallow 2-quart baking dish. Sprinkle with remaining panko and Parmesan; season with salt and pepper. Bake until top is golden, 8 to 10 minutes.

PROVENCAL SUMMER SQUASH AND POTATO GRATIN

Steps:

• Preheat the oven to 375 degrees F. Lightly mist a shallow 2-quart baking or gratin dish with cooking spray.
• Thinly slice the squash, zucchini, potato, and onion 1/4-inch thick with a mandolin or by hand. Shingle the vegetables in the prepared baking dish in one layer. Season with salt and pepper. Sprinkle with the rosemary leaves and drizzle with olive oil. Cover with foil and bake until the potatoes are tender, 30 to 35 minutes.
• Remove the foil; sprinkle with the cheese. Bake until the cheese is browned and most of the liquid has evaporated, about 45 minutes more. Let stand at least 10 minutes. Serve warm or at room temperature.

BUTTERNUT SQUASH GRATIN

Steps:

• Preheat oven to 350 degrees F (175 degrees C). Grease a gratin baking dish with butter.
• Heat 1 tablespoon butter and olive oil in a large skillet over low heat; add onions and sage. Cover and cook, stirring occasionally, until onions are browned, about 25 minutes. Season with salt and black pepper.
• Place a steamer insert into a saucepan and fill with water to just below the bottom of the steamer. Bring water to a boil. Add squash, cover, and steam until tender, 10 to 20 minutes. Transfer squash to prepared gratin dish; toss with garlic and 3/4 teaspoon salt. Add the caramelized onions to the pan and gently mix to combine.
• Warm cream in a saucepan over low heat; pour over squash mixture. Stir to coat. Combine bread crumbs and 1 1/2 tablespoons melted butter together in a bowl; sprinkle over squash mixture.
• Bake in the preheated oven until gratin is bubbling and breadcrumbs are browned, 20 to 25 minutes.

SUMMER SQUASH GRATIN

Steps:

• Preheat oven to 425 degrees F (220 degrees C).
• Place buttery crackers and cornmeal in a plastic resealable bag; seal and pound into fine crumbs.
• Heat olive oil in a large skillet over medium heat. Add shallot; cook and stir until translucent, about 5 minutes. Add yellow squash and zucchini. Season with garlic powder, salt, and pepper. Cook until softened, about 10 minutes.
• Stir milk and butter into the skillet. Increase heat to medium-high; cook until butter is melted, 2 to 3 minutes. Stir in crumb mixture and Mexican cheese blend. Remove from heat.
• Spread yellow squash mixture evenly in an 8-inch square baking pan.
• Bake in the preheated oven until bubbly, about 15 minutes. Increase heat to 450 degrees F (230 degrees C) and continue baking until lightly browned, about 10 minutes.

SPAGHETTI SQUASH AU GRATIN

Steps:

• Place spaghetti squash in a covered dish and add 1/4 inch of water. Microwave for 10 to 12 minutes. Scrape insides of squash with a fork and transfer to a small bowl.
• Heat margarine in a medium skillet over medium heat while spaghetti squash is cooking and cook onion, red pepper flakes, garlic powder, salt, and pepper until the onion is browned, 5 to 10 minutes.
• Preheat the oven to 375 degrees F (190 degrees C). Grease a baking dish with nonstick cooking spray.
• Mix spaghetti squash, onion mixture, sour cream, and 1/2 of the Cheddar cheese together. Transfer to the prepared baking dish and top with remaining Cheddar cheese.
• Bake in the preheated oven for 20 to 25 minutes. Turn on broiler for the last 2 to 3 minutes and broil until gratin is golden brown on top.

MERRITT'S BUTTERNUT SQUASH GRATIN

Steps:

• Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13 inch baking dish.
• Melt the butter in a large skillet over medium heat. Stir in the onions and garlic; cook until the onions soften and turn golden brown, about 10 minutes. Add the butternut squash and brown sugar. Continue cooking and stirring until the butternut squash begins to brown on the edges, but is still somewhat firm in the center, about 10 minutes more. Scrape the squash into the prepared baking dish, and pour in the chicken broth. Wrap tightly with aluminum foil.
• Bake in the preheated oven until the liquid has been absorbed and the squash is tender, 45 to 50 minutes. Toss together the Gruyere cheese, Cheddar cheese, bread crumbs, thyme, and rosemary in a bowl until evenly combined. Remove the foil from the baking dish, and sprinkle the squash evenly with the cheese mixture. Sprinkle the Parmesan cheese on top. Return to the oven, and bake uncovered for 15 minutes more until the topping is lightly crunchy and brown.

BUTTERNUT SQUASH, APPLE, ONION AU GRATIN

Steps:

• Preheat oven to 350. Spray 9- x 11-inch glass baking pan with cooking spray.
• Place flour, salt, and cinnamon into a large plastic bag. Add squash, apples, and onions; shake until lightly dusted.
• In glass dish, layer 1/2 of squash, apples, and sweet onion. Pour 1/2 cup chicken stock over the top, then sprinkle 1/2 of cheese. Layer with remaining squash, apple, and onions. Pour remaining chicken stock over the top, and cover with foil.
• Bake in preheated oven for 40 minutes.
• Take out and sprinkle with bacon crumbles and remaining cheese. Return, uncovered, to oven; bake for another 5 minutes. Let sit for 5 minutes before serving.

SPAGHETTI SQUASH AND POTATO GRATIN

Steps:

• Preheat the oven to 375 degrees F. Spray a 9-by-13-inch baking dish with cooking spray.
• Poke the squash all around with a fork, then microwave it in 5-minute increments, rotating in between, until the outside is soft and yields a little when pressed with your fingers, about 15 minutes total. Be careful when rotating and removing the squash, as it will become very hot.
• Meanwhile, combine the cream, butter, garlic, thyme, 1/2 cup of the Parmesan, 1 1/2 teaspoons salt and 1/4 teaspoon pepper in a large saucepan. Peel the potatoes, then slice them paper thin on a mandoline, placing them in the cream mixture as you slice. Bring the mixture to a simmer over medium-high heat, then remove from the heat.
• When the squash is cool enough to handle, slice it in half, scoop out the seeds, then scrape out the flesh with a fork into a medium bowl. Discard the skin and seeds.
• Layer the bottom of the prepared baking dish with 1/2 the potatoes. Top with 1/2 the squash, then the remaining potatoes, then the remaining squash. Pour all the liquid from the potato mixture into the baking dish, and press the vegetables down to submerge. Sprinkle the remaining 1/2 cup Parmesan on top. Put the baking dish on a rimmed baking sheet, and bake until golden brown and a knife slides easily into the potatoes, about 1 hour. Let cool for 15 minutes before serving.

BAKED SQUASH GRATIN

Steps:

• Preheat the oven to 350 degrees F.
• Lightly butter an 8-inch baking dish and set aside. Fill a large pot with enough water to come 2 inches up the sides of the pot. Set a steamer rack in the pot, cover, and bring the water to a boil over high heat. Add the squash and steam over medium heat until the squash is very tender, about 20 minutes. Transfer the squash to a food processor and blend until smooth and creamy. Season the squash to taste with salt and pepper.
• Spoon half of the squash evenly over the prepared baking dish. Dollop half of the pesto all over the squash in the dish. Sprinkle half of the cheese over the squash. Repeat layering with the remaining squash, pesto, and cheese. Using a skewer, swirl the pesto decoratively into the squash. Dot the top with butter and bake until the gratin is heated through and golden brown around the edges, about 40 minutes.

WINTER SQUASH GRATIN

Steps:

• Preheat the oven to 425ºF. Cover a baking sheet with foil and brush lightly with olive oil. Cut the squash in half, scoop out the seeds and stringy membranes, brush the cut sides with olive oil and lay cut side down on the foil-covered baking sheet. Bake 40 minutes, or until soft enough to pierce easily with a knife. Remove from the heat and allow to cool, then peel and either mash with a fork, puree in a food processor fitted with the steel blade, or finely dice. You should have about 2 cups of pureed or finely diced squash.
• Turn the oven down to 375ºF and oil a 2-quart gratin or baking dish with olive oil. Heat the remaining oil over medium heat in a medium heavy skillet and add the onion. Cook, stirring, until tender, about 5 minutes. Add the garlic and cook, stirring, until fragrant, 30 seconds to a minute. Stir in the parsley and sage, and squash, and remove from the heat. Season to taste with salt and pepper.
• Beat the eggs in a large bowl and whisk in the milk. Add 1/2 teaspoon salt and freshly ground pepper to taste. Stir in the squash mixture and the Gruyère. Taste and adjust seasonings. Scrape into the prepared baking dish and sprinkle the Parmesan over the top.
• Bake 30 to 40 minutes, until lightly browned on the top and sizzling. Serve hot, warm, or room temperature.

WINTER SQUASH AND POTATO GRATIN

Steps:

• Preheat the oven to 375 degrees. Rub the inside of a 2-quart gratin dish or baking dish with the cut side of the garlic, and lightly oil with olive oil or butter. Slice any garlic that remains and toss with the potatoes, squash, thyme, rosemary, half the cheese and a generous amount of salt and pepper. Arrange in an even layer in the gratin dish.
• Pour the milk over the potatoes and squash, and press the vegetables down into the milk. Place in the oven, and bake one hour. Every 20 minutes, remove the gratin dish and press the potatoes and squash down into the liquid with the back of a large spoon. After one hour, sprinkle on the remaining cheese and bake for another 30 minutes, until the top is golden and the sides crusty. Remove from the oven, and allow to sit for 10 to 15 minutes before serving. Serve hot or warm.

SUMMER SQUASH AND ZUCCHINI GRATIN

Steps:

• Preheat the oven to 450 degrees F (230 degrees C).
• Slice onion into thin rounds. Slice zucchini and yellow squash into 1/4-inch rounds.
• Melt butter in an oven-proof skillet over medium heat. Add onion slices and cook until soft and translucent, about 5 minutes. Add garlic and cook until softened, 2 to 3 minutes. Add cream and ricotta cheese; stir and simmer until bubbly and starting to thicken, 3 to 5 minutes.
• Slowly stir in Parmesan cheese. Add zucchini and summer squash and gently stir to combine. Cook for just a few minutes then sprinkle with bacon. Spread Gouda cheese evenly over the bacon and top with salt and pepper.
• Transfer skillet to the preheated oven and bake until cheese is deep golden brown on top and squash is tender, about 20 minutes. If squash needs more cooking time, cover the skillet with foil so the top crust doesn't get too dark.

TOMATO, SQUASH AND EGGPLANT GRATIN

Steps:

• Preheat the oven to 375 degrees. Oil a 2-quart rectangular or oval baking dish.
• Combine the vegetables in a large bowl and season with salt and pepper. Add the olive oil, chopped rosemary and thyme leaves and toss gently.
• Arrange the vegetables in rows in the baking dish in this order: tomato slice, eggplant slice, tomato slice, squash slice, onion slice, tomato slice, eggplant slice, tomato slice, etc. Each slice of eggplant should have a tomato slice on either side. The vegetables should not be lying flat; they should be arranged in the dish as if you had stacked them, then lay the whole stack in the dish, all of the rounds slanting slightly to one side. Insert the herb sprigs into the dish. Pour any juice left in the bowl on top. Cover tightly with foil.
• Place in the oven and bake 1 hour. Remove the foil and continue to bake for another 30 minutes, until the vegetables are thoroughly tender and lightly colored on the edges.

APPLE, LEEK, AND BUTTERNUT SQUASH GRATIN

Steps:

• Preheat the oven to 350 degrees. In a 10-inch skillet, heat 2 tablespoons of oil over medium heat. Add leeks and 2 tablespoons water; season with salt and pepper. Cook, stirring occasionally, until they begin to brown, about 10 minutes. Add sherry and sage and cook until liquid is reduced to a glaze, about 3 minutes; set aside.
• In a 2-quart shallow baking dish, arrange squash in overlapping layers; season with salt and pepper. Spread leeks evenly over the squash.
• Arrange apples in an overlapping layer over the leeks. Brush apples with remaining tablespoon oil. Cover tightly with aluminum foil. Bake 45 minutes.
• Uncover and sprinkle cheese over the top. Raise the oven temperature to 450 degrees and bake 10 minutes, or until the cheese has melted and is golden brown. The tip of a paring knife should easily pierce the gratin. Let cool 10 minutes before serving. Garnish with sage leaves.

GRATIN OF DELICATA SQUASH AND LEEKS

Steps:

• Heat oven to 400. Spray 11x7-inch ceramic or glass gratin dish with cooking spray. Sprinkle bottom with 1/4 cup of the panko.
• Heat oil in medium skillet over medium-low heat until warm. Cook leeks and prosciutto 4-6 minutes or until tender, stirring frequently. (Add a little water if leeks start to scorch).
• Combine rosemary, salt and pepper in small bowl. Arrange half of the squash slices in baking dish; sprinkle with half of the rosemary mixture. Spread leek mixture over squash; top with remaining squash. Gently pour broth over squash; sprinkle with remaining rosemary mixture. Cover with foil sprayed with cooking spray.
• Bake 35-40 minutes or until squash is almost tender. (Gratin can be prepared to this point 1 day ahead. Cool slightly; refrigerate. Bake, covered, at 400 for 15 minutes before continuing with recipe). Sprinkle gratin with cheese. Combine remaining 1/4 cup panko and butter; sprinkle over cheese. Bake, uncovered, 15-20 minutes or until squash is tender and top is golden brown.
• Tips: Deli ham or salami can be substituted.

SPAGHETTI SQUASH GRATIN

Steps:

• Preheat oven to 375 degrees. In a small pot, bring broth, milk, and garlic to a boil over medium-high and cook 1 minute. Pour into a medium bowl, then slowly add flour, whisking constantly.
• In pot, melt butter over medium. Add anchovies and 2 teaspoons sage and cook, stirring, 1 minute. Return broth mixture to pan, bring to a simmer, and cook until thickened, 6 minutes. Discard garlic.
• Add squash to sauce and season with salt and pepper. Transfer to a 2-quart shallow baking dish.
• In a small bowl, combine 1 teaspoon sage, breadcrumbs, and Parmesan and sprinkle over squash. Bake until top is golden brown and mixture is bubbling at edges, 20 to 25 minutes.

CREAMY BUTTERNUT SQUASH AND SPINACH GRATIN

Steps:

• If using fresh spinach, bring 1 inch water to a boil in a 6- to 8-quart pot over high heat. Add spinach, a few handfuls at a time, and cook, turning with tongs, until wilted, about 3 to 5 minutes. Drain in a colander and rinse under cold water. You may skip this step if you like, I don't think it's really necessary.
• Thoroughly squeeze cooked fresh or thawed frozen spinach in small handfuls to remove excess moisture(try to get it absolutely dry), then coarsely chop and transfer to a bowl.
• Melt 3 tablespoons butter in an 8-inch heavy skillet over medium low heat, then cook onion and garlic, stirring, until softened, 3 to 5 minutes(you can cook it till caramalized if you like). Add onion mixture to spinach along with salt, pepper, nutmeg, and cream and stir to combine.
• Put oven rack in upper third of oven and preheat oven to 400°F Butter a 3-quart shallow baking dish (13 by 9 inches; not glass-I think you could use glass, just be careful when broiling-that's the reason it's not recommended).
• Cut squash to separate bulb section from solid neck section, then cut pieces lengthwise into 1/8-inch-thick slices with slicer or food processor. To make the squash easier to cut, microwave for 3-5 minutes.
• Layer squash and spinach mixture in baking dish, using about one fifth of squash and one fourth of spinach for each layer, beginning and ending with squash. Sprinkle each layer of squash evenly with cheeses and dot with remaining 2 tablespoons butter, then cover directly with a sheet of parchment or wax paper(or use glass lid). Bake until squash is tender and filling is bubbling, 35 to 45 minutes. If you like, you can use individual baking dishes, just note shorter cooking time. I haven't tried baking it individually so cook times are estimated.
• Remove paper and bake gratin until browned in spots, 10 to 15 minutes, or broil 3 inches from heat, 2 to 3 minutes. Enjoy!
• Note:.
• If making individual gratins, bake 20-30 minutes.
• Also, for a shortcut, use 3 packages of creamed spinach(cooked) and skip the cream.
• Some reviewers added a little jalapeno(or chipotle peppers and sliced almonds on top.

BUTTERNUT SQUASH AND CREAMED-SPINACH GRATIN

Steps:

• If using fresh spinach, bring 1 inch water to a boil in a 6- to 8-quart pot over high heat. Add spinach, a few handfuls at a time, and cook, turning with tongs, until wilted, 3 to 5 minutes. Drain in a colander and rinse under cold water.
• Thoroughly squeeze cooked fresh or thawed frozen spinach in small handfuls to remove excess moisture, then coarsely chop and transfer to a bowl.
• Melt 3 tablespoons butter in an 8-inch heavy skillet over moderately low heat, then cook onion and garlic, stirring, until softened, 3 to 5 minutes. Add onion mixture to spinach along with salt, pepper, nutmeg, and cream and stir to combine.
• Put oven rack in upper third of oven and preheat oven to 400°F. Butter a 3-quart shallow baking dish (13 by 9 inches; not glass).
• Cut squash to separate bulb section from solid neck section, then cut pieces lengthwise into 1/8-inch-thick slices with slicer.
• Layer squash and spinach mixture in baking dish, using about one fifth of squash and one fourth of spinach for each layer, beginning and ending with squash. Sprinkle top layer of squash evenly with cheese and dot with remaining 2 tablespoons butter, then cover directly with a sheet of parchment or wax paper. Bake until squash is tender and filling is bubbling, 25 to 30 minutes. Remove paper and bake gratin until browned in spots, 10 to 15 minutes, or broil 3 inches from heat, 2 to 3 minutes.

AU GRATIN POTATOES WITH SQUASH

Steps:

• Preheat oven to 400°. In a Dutch oven, melt butter over medium heat. Stir in flour, salt, pepper and nutmeg until smooth; gradually whisk in milk and water. Stir in potatoes, squash and chives. Bring to a boil. Reduce heat; simmer, uncovered, 8-10 minutes or until potatoes and squash are almost tender., In a greased 13x9-in. baking dish, layer half of the potato mixture and 1 cup cheese. Repeat layers., Bake, uncovered, 25-30 minutes or until golden brown and potatoes are tender. Let stand 10 minutes before serving.