The cauliflower-bacon gratin recipe was given to me more than twenty-five years ago, and after making it the first time, I wrote in the margin that it was a little like a quiche (it’s really only the addition of flour that sets it apart from a quiche filling) and in some ways like a pudding, in that it’s rich, soft, and creamy. It’s a classic—it was popular when it was first passed along to me, and it’s a recipe that’s still treasured today. Serve it alongside anything roasted—it’s nice with something a little rich like a roast—or have it with a salad and call it supper.—Dorie Greenspan
Cauliflower-Bacon Gratin FAQs
Sure, but not too far ahead of time. This lovely little dish can be served at room temperature, like a quiche, so you can make it a few hours earlier. However, you don’t want to make it too far in advance, as it won’t be nearly as good.
Any leftovers that you have can be reheated. It will be a little denser but still be quite good. Just cover with foil and gently reheat in a low-temperature oven.
- Butter, for the baking dish
- 2 1/2 pounds cauliflower (a medium head)
- 1/4 pound bacon, cut crosswise into slender strips
- 1/3 cup all-purpose flour
- 5 large eggs, lightly beaten
- 1 cup heavy cream
- 2/3 cup whole milk
- Salt and freshly ground pepper
- Freshly grated nutmeg
- 3 ounces Gruyère, (you can use Emmenthal or even Swiss in a pinch), grated
- Adjust the oven rack to the center position and preheat the oven to 425° F (232°C). Generously butter a 2 1/2-quart ovenproof dish and place it on a rimmed baking sheet lined with a Silpat or parchment paper. (It’s not elegant and it's a tad too big, but a 9-by-13-inch baking dish works fine.)
- Bring a large pot of salted water to a boil. Cut florets from the cauliflower, leaving about an inch or so of stem. Drop the florets into the boiling water and cook until fork-tender, anywhere from 4 to 10 minutes, depending on the size of the florets. (Alternatively, you can steam the florets over salted water.) Drain and rinse the cauliflower florets under cold running water to cool them and pat them completely dry.
- While the cauliflower is cooking, toss the bacon strips into a heavy skillet, place the skillet over medium heat, and cook just until the bacon is browned but not crisp. Drain and pat dry.
- Spread the cauliflower in the buttered pan and scatter the bacon over the top.
- Place the flour in a bowl and gradually whisk in the eggs until blended. Slowly whisk in the cream and milk. Season the mixture with salt, pepper, and nutmeg and stir in about 2/3 of the cheese. Pour the mixture over the cauliflower and bacon, shaking the pan a little so that the liquid settles between the florets. Scatter the remaining cheese over the top.
- Bake the cauliflower-bacon gratin for about 25 minutes, or until puffed and golden and a knife inserted in the center comes out clean. If the top isn’t as brown as you’d like, run the gratin under the broiler for a couple of minutes.
- The gratin is best just from the oven or warm, although it can be enjoyed at room temperature, just like a quiche. You really should eat the cauliflower-bacon gratin the day it’s made, but if you’ve got leftovers, cover and refrigerate them, then let them come to room temperature or warm briefly and gently in the oven.
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Nutrition information is automatically calculated, so should only be used as an approximation.
Recipe Testers’ Reviews
With the number of eggs involved, this seemed more like a big, crustless quiche than a gratin. But no matter what you call it, it was delicious. The recipe instructions, measurements, and cooking time were all spot on, and the dish was easy to put together. As rich as it is, I’d serve it as a main dish, with salad greens on the side. It’ll definitely be making a return appearance at my house.
This cauliflower-bacon gratin decadent, delicious, and easy to prepare. I ate it hot out of the oven, at room temperature, and cold, right out of the fridge. The only issue I had was that it took 15 minutes longer in the oven than the recipe stated. If I were to make it again, I’d roast the cauliflower rather than boil it, to give it a little more intense flavor.
This cauliflower-bacon gratin is delicious and easy! And the best part: my vegetable-adverse toddler gobbled it up. You can’t go wrong with Dorie.
This cauliflower-bacon gratin is definitely one I’ll make again—but with the amount of heavy cream, whole milk, and eggs, it’s more of an indulgence than an everyday meal. The cauliflower and bacon played off of each other nicely, both enhanced by the cheesy custard.
This is a good alternative to cauliflower in cheese sauce, which tends to be my favorite (and default) preparation for the vegetable. Next time, I might experiment with reducing the fat content and number of whole eggs, so I feel justified in making this more often.
I was partial to this recipe for a few reasons: a) I love Dorie Greenspan, and use her baking book for 90 percent of the desserts I make. b) I love bacon. c) I love cauliflower. d) I love French food. Happily, the dish was indeed very good: warm, homey, and comforting.
One quibble: For a dish like this where it’s impossible to taste as you go, I’d have preferred a set measurement for salt. As it is, I’m a pretty heavy hand with salt, and the dish was still underseasoned.
I served this cauliflower-bacon gratin as a side with sautéed pork chops, and it was a big hit. It puffed up beautifully; all golden brown around the edges and cheesy on top. It would make a nice lunch with a salad and some crusty bread, too.
The cauliflower-bacon gratin came out of the oven looking very appetizing—golden brown on top, and bubbly all around. It tastes as good as it looks. I loved the delicate texture of the twice-cooked cauliflower and the hint of smoky bacon. With heavy cream, whole milk, and cheese, it was very hearty and rich, making it a dish that easily could be served as a main dish.
TIP: It’s important that you get rid of as much moisture from the cauliflower before assembling the gratin. Otherwise, you’ll end up with a soupy sauce instead of a creamy sauce that clings to the cauliflower. I also recommend steaming the cauliflower.
This recipe is ideal autumn comfort food, with cheese, bacon, cream, and nutmeg. Initially, when I added the flour and eggs together, the mixture was a little lumpy, but this came out all right when the cream and milk were added.
After 15 minutes of cooking, I turned the oven down slightly and moved the dish down in the oven, as it was already browning. I cooked the dish for the amount of time specified in the recipe and found that although the knife came out clean, there was still a little of the mixture that was runny within the dish—which I liked.
Next time, I might not add the cheese to the egg/cream/milk mix, instead adding some of the sauce to the cauliflower/bacon in the gratin dish, sprinkling the cheese in gradually, as I found it all ended up on the top of the dish anyway.
Cauliflower turned into a mild, but flavorful, platform for cheese, cream, and spices—how could it go wrong? The dish doesn’t take long to make—an hour start to finish or so—and the steps aren’t particularly complex. I’ve made it twice.
My quibble is that there’s no guidance provided for the spices. Nutmeg is a strong flavor and only a little bit is needed. I grated fresh nutmeg into the dish both times, so I don’t have precise measurements, but it was about 1/4 teaspoon. Also, I used more salt and pepper than I would normally think to use because I knew that eggs, cream, and vegetable combo would mask the salt of the bacon and cheese. I used one mounded teaspoon of kosher salt and almost a teaspoon of pepper the first time, and it really could have used more salt. The second time I used about 1 1/2 teaspoons salt and that was perfect. All in all, a delicious side/main dish that I’ll make again.
I made two versions of this cauliflower-bacon gratin: One with bacon and one without (for my non-meat-eating friends). Both versions were wonderful. No one wanted to believe the gratin was made with cauliflower and not potatoes. If you decide to make the gratin without bacon, I’d suggest adding sun-dried tomatoes, olives, or capers to give it a boost.
One note on pan size: I used a larger casserole dish (between 2 1/2 and 3 quarts) and the gratin looked a bit skimpy. Next time, I’ll try a 2-quart dish so it looks more substantial.