French Recipe: Creamy Butternut Squash Casserole with Herbed Bread Crumbs (2024)

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Faith Durand

Faith DurandSVP of Content

Faith is the SVP of Content at Apartment Therapy Media and former Editor-in-Chief of The Kitchn. She is the author of three cookbooks, including the James Beard Award-winning The Kitchn Cookbook. She lives in Columbus, Ohio, with her husband and two daughters.

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updated May 2, 2019

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French Recipe: Creamy Butternut Squash Casserole with Herbed Bread Crumbs (1)

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French Recipe: Creamy Butternut Squash Casserole with Herbed Bread Crumbs (2)

When you think of casseroles, do the words elegant and beautiful come to your mind? Probably not. Casseroles have many admirable qualities, but they are of the plainer, stodgier sort. Unless, that is, they are French.

The French have an elegant answer to the homey casserole, and it’s the Provençal tian. This musical word signifies a gratin, French-style.

A tian doesn’t have too much to set it apart from its plainer cousins, but all the variations I’ve tried have had just an edge of sophistication, a dash of something special. Take this one, for instance, which I learned from Rosa Jackson, a food writer and teacher in Nice, France. It starts with a base of creamy, Parmesan-flecked orange squash, and bakes up with a green crust of garlicky herbed bread crumbs. You can practically taste the South of France: olive oil, sun-kissed vegetables, garlic, and rosemary. This is how the French do casseroles.

I took a cooking class with Rosa a few years ago, and it happened to be just as I was starting to write a cookbook about casseroles. I was looking for fresh inspiration, and I found it in this delicious tian.

It is a little more involved than many of the other casseroles I make. You chop and cook the butternut squash (or pumpkin, or Red Kuri squash — my favorite) until it is soft. Then mash it up with a little parboiled rice to soak up any extra moisture, plus Parmesan and eggs. The topping is a scrumptious Provençal bread crumb mix of parsley, rosemary, olive oil, and garlic. Blended in the food processor, the crumbs turn bright green and make a delightfully colorful topping for the orange squash below.

But the results are so worth it. The squash is creamy yet firm, savory from Parmesan and a traditional French touch of nutmeg. Spooning through you get the taste of all those toasty, garlicky herb and crumbs, then the creamy squash below. It’s substantial enough to be a main dish, accompanied by nothing more than a good salad. But it’s also a pleasant side dish for chicken, duck, and pork — it sits elegantly on nearly any table, and that’s just not something you can say about every casserole. Leave it to the French.

More on Rosa

Tester’s Notes

This is not your ordinary squash casserole, but instead a welcome change to the candy-sweet variations that cross our tables each fall. Butternut squash is cooked until tender, then studded with parboiled arborio rice (the variety usually reserved for risotto) and seasoned with nutty Parmesan. A pair of eggs add body and richness to the casserole. But for me, the star of this dish is the Provencal bread crumbs. I’m used to tossing bread crumbs with butter and salt or even mixing in hard cheeses to add crunch and flavor to the top of a casserole. But in this recipe, fresh parsley, thyme, and garlic transform dried bread crumbs into a fragrant and elegant topping. It makes a generous amount of bread crumbs, so you might not need use it all. Freeze the remainder and use for topping other casseroles, sprinkling onto salads and scrambled eggs, or breading chicken and fish.

Patty, November 2018

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Butternut Squash Tian with Herbed Bread Crumbs

Serves 4

Nutritional Info

Ingredients

  • 2 to 2 1/2-pound whole butternut squash

  • 1 tablespoon

    olive oil, plus additional for drizzling

  • 1/4 cup

    short-grain or arborio rice

  • 2 ounces

    freshly grated Parmesan cheese

  • 2

    large eggs

  • Sea salt and freshly ground black pepper, to taste

  • Freshly grated nutmeg

  • Provencal breadcrumbs (recipe below)

For the herbed bread crumbs:

  • 1 cup

    dried bread crumbs

  • 1

    big handful flat leaf parsley, leaves only

  • Leaves from 3 to 4 sprigs of thyme or rosemary

  • 2 cloves

    garlic, peeled

  • 2 tablespoons

    olive oil

  • Salt and freshly ground pepper

Instructions

For the breadcrumbs:

  1. In a food processor, blend together all the ingredients except the olive oil. Add the olive oil and blend until the breadcrumbs are soft and green, adding a little more oil if necessary. Season well with salt and pepper.

  2. Keep airtight in the refrigerator or freezer (in a plastic bag or jar) until you need them.

For the butternut squash tian:

  1. Heat the oven to 375°F and lightly grease a 1 1/2 to 2-quart baking dish (such as a deep pie dish) with olive oil.

  2. Peel and slice the butternut squash. You should have 1 1/4 to 1 1/2 pounds prepared squash flesh. Heat the olive oil in a deep sauté pan over medium heat. Cook the squash in the olive oil with a sprinkling of salt until it softens and starts to disintegrate, about 20 to 25 minutes. Cover for most of the cooking time to speed the process.

  3. While the squash is cooking, heat a small saucepan of salted water over high heat. When it is boiling, add the rice. Cook for 10 minutes, then drain and set aside.

  4. Place the cooked pumpkin in a large bowl and combine with the rice, Parmesan, about 1/2 teaspoon salt, and generous dashes of pepper and nutmeg. When it has cooled slightly, mix in the eggs quickly so that they don't scramble. The mixture may seem on the liquid side, but this is fine.

  5. Pour it into the prepared gratin dish, top with the herbed bread crumbs (recipe below) and a generous drizzle of olive oil. (If desired, you can prepare to this point, cover and refrigerate for up to two days. When ready to serve, bake as directed below.)

  6. Bake for 35 minutes or until slightly toasted on top and set. Serve warm.

  7. This recipe doubles very well; I use a 4-pound squash and bake the tian in a 9x13-inch casserole dish.

Recipe Notes

Recipe adapted from Rosa Jackson.

Filed in:

autumn

Casserole

Cheese

dinner

Eggs

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French Recipe: Creamy Butternut Squash Casserole with Herbed Bread Crumbs (2024)

FAQs

Why is my squash casserole watery? ›

To prevent your squash casserole from being too watery, it's important to get as much liquid out of the squash during the initial cooking process as possible. Straining the squash helps to remove excess water that leaches out of the cooked squash, and it cools the squash before it is added to the casserole.

Do you have to peel butternut squash before baking? ›

How to cook Butternut squash. You can eat the skin, so there's no need to peel it. Simply halve it, scoop out the seeds and chop it into chunks, then roast it and add it to a warm winter salad or throw it into curries, stews or soups.

Why is my roasted butternut squash soggy? ›

Insufficient roasting time: Butternut squash needs sufficient time in the oven to roast and develop that crispy exterior. Roast until they turn golden brown on the edges, and the texture becomes tender.

Is it better to roast or steam butternut squash? ›

Steaming, boiling, microwaving, and pressure cooking are quick moist-heat ways to soften the flesh of this winter squash. These methods don't add much flavor, but they are great for soups and purees. Personally, roasting tastes the best.

How to fix a watery casserole? ›

Make a cornstarch slurry for a fast and easy thickener.

Use one tablespoon of cornstarch per cup of liquid you would like to thicken. Stir out all the lumps. A few minutes before your casserole is done, add it a little at a time until you are happy with the thickness. Then, let the casserole finish baking.

How do you fix watery butternut squash? ›

The first, and arguably most crucial thing you can do to improve the texture of butternut squash mash, is to roast it instead of boil it. When you boil squash you're essentially adding more moisture into it. By roasting it you squeeze out that moisture.

Can dogs have butternut squash? ›

Generally, butternut squash is safe to feed to most pooches, unless your vet has advised otherwise. As a guide, we would recommend feeding small dogs no more than 1 or 2 teaspoons of butternut squash, whilst bigger dogs can eat up to 3 or 4 tablespoons of butternut squash.

What is the best tool to peel butternut squash? ›

In the case of one of our top picks, the Kuhn Rikon Piranha Y Peeler, its serrated edge was particularly helpful during the butternut squash test. It was able to catch onto the thick, tough skin immediately and peel it away smoothly and without much resistance.

Why is my butternut squash turning brown when I cook it? ›

Cook at 400 degrees — hot — until the squash releases its juices and they are bubbly and brown around the edges. This is a sign that the sugars in the squash have caramelized and its flavor concentrated.

How does Gordon Ramsay cook butternut squash? ›

In a large bowl mix the cubed squash, garlic cloves and ginger with 2 tablespoons of olive oil and 1 tablespoon of the spice mix. Season with salt and pepper and scatter in a single layer in a roasting tray. Place in the preheated oven and cook for 30 minutes until tender all the way through.

Why does my butternut squash taste weird? ›

The most likely cause for a bitter taste in squash is due to an environmental stress of some sort, most likely a wide temperature flux or irregular irrigation. Either of these will create an excess of cucurbitacins to concentrate in the fruit.

Why does butternut squash make my skin tight? ›

The liquid is so strong that it can harden into protective scab if the squash becomes cut or damaged—much like a tree. This sap has the same effect on skin, it creates a tough film that can feel stiff, or even itchy.

Is butternut squash healthier than sweet potatoes? ›

To begin with, the butternut squash beats the sweet potato with fewer calories, carbs and sugar per serving. Moreover, it is rich in calcium, magnesium, potassium, and vitamins B6 and E. On the other hand, the sweet potato, however, provides more fiber and protein.

What tastes better butternut or buttercup squash? ›

Although it looks quite different from the butternut squash the buttercup has a very creamy, orange colored flesh much like that of the butternut. Its flavor is not as rich as the butternut, but is still quite sweet.

Which is better acorn or butternut squash? ›

Butternut Squash Is The Meatier Choice

This larger size results in a greater yield of flesh compared to acorn squash. Moreover, butternut squash boasts a smaller seed cavity than other squash and gourds, allowing for more substantial amounts of usable flesh.

Why is my squash watery? ›

When picked immature they are usually watery and poor in flavor. Flavor is also better after some cold weather, but remember they are not frost-hardy.

How do you cook squash so it doesn't get soggy? ›

Don't overcook.

The most common reason that zucchini or squash get soggy is that it's been cooked for too long. As soon as it's heated through and slightly tender, remove it from the heat to prevent further cooking.

How to keep a casserole from getting soggy? ›

To prevent a soupy casserole, be sure to fully thaw any frozen vegetables in a colander over a bowl, and pat dry, squeeze excess moisture out of greens like spinach or chard, and quickly precook watery fresh vegetables like onions, mushrooms or squashes just until they release their moisture.

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