Mushroom Macaroni and Cheese

It’s the tarragon in this recipe that transforms it from an ordinary mushroom and cheese dish into something truly sublime. Be sure to use the fresh herbs, as dried are simply not the same.–Laura Washburn

LC Mushroom Macaroni And Cheese Note

Ever been invited to a dinner party where the host or hostess sullies the evening by offering caveats for every single thing on the table before you even sit down to eat? Nothing dampens the spirit more than that sorta thing, so we try not to do that to you, dear readers. Although we do have two clarifications—not caveats and not apologies, mind you—that we’d like to make before you set your designs on this lovely little macaroni and cheese recipe. Just to keep expectations in check. First, this recipe turns out a quick, sophisticated casserole that does, indeed, contain pasta and cheese, although some would say the consistency is more like that of an Alfredo sauce than a classic baked macaroni and cheese. Didn’t bother us in the least, but thought you should know. Second, be very careful to only use ovenproof baking dishes in this recipe. Glass or ceramic dishes may not be able to withstand the intense heat of the broiler. So go on, reach for that ugly, battered metal 9-by-13-inch baking pan. Everyone will be so distracted by the macaroni and cheese that they won’t even notice.

Mushroom Macaroni and Cheese

An oval skillet filled with mushroom macaroni and cheese with a spoon resting on top.
Laura Washburn

Prep 40 mins
Cook 35 mins
Total 1 hr 15 mins
6 to 8 servings
No ratings yet
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  • Handful coarse sea salt to taste
  • 1 pound macaroni (a classy macaroni called cavatappi is shown in the photo above)
  • 10 ounces portobello mushrooms stems trimmed level with cap, gills removed
  • 2 to 3 tablespoons vegetable oil
  • Leaves from a few sprigs flat-leaf parsley finely chopped
  • Leaves from a few sprigs tarragon finely chopped
  • 1/2 cup heavy cream
  • 3/4 cup tightly packed grated white Cheddar plus more to taste
  • 2/3 cup tightly packed grated Parmesan plus more to taste
  • 8 ounces Taleggio rind removed, diced or sliced
  • Fine sea salt and freshly ground black pepper to taste


  • Bring a large pot of salted water to a boil and cook the macaroni according to the package directions. Drain and set aside.
  • Preheat the oven to 400˚F (200˚C).
  • Arrange the mushrooms in a single layer on a baking sheet, stem-side up, and brush with oil. Season lightly with salt, sprinkle with the herbs, and roast for 15 to 20 minutes, until tender. Remove and let cool slightly. Dice the mushrooms and set aside.
  • Preheat the broiler to medium.
  • Put the cream in a large saucepan and bring just to a boil, stirring occasionally, then reduce the heat. Add the Cheddar and Parmesan and half the Taleggio, and stir well to melt. Taste and adjust the seasoning. (If a thicker sauce is desired, add more cheese to taste.)
  • Dump the drained macaroni into a large bowl. Stir in half the mushrooms and the hot cream sauce and mix well. Taste and adjust the seasoning. Transfer the macaroni mixture to a 2-quart casserole or a 9-by-13-inch baking dish (be sure your baking dish is broilerproof; do not use a glass or ceramic dish). Top with the remaining mushrooms and Taleggio and a good grinding of black pepper. Broil for 5 to 10 minutes, until the top is golden. Serve immediately.
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Recipe Testers’ Reviews

This mac and cheese was heavenly! The combination of cheeses created such a creamy texture with a wonderful depth of flavor. The portobello mushrooms roasted with the herbs contributed an unforgettable earthiness while the tarragon was a flavor standout. I chose to use aged white Cheddar with the Parmesan and Taleggio and loved the end result. I chopped half the mushrooms to mix into the mac and cheese while slicing the other half for the top. I didn’t remove the gills because they stored all of the delicious herb-infused juices. I used a 2-quart casserole dish, which fit the entire yield perfectly. This recipe will no doubt become a go-to for entertaining and/or a quick weeknight meal. Absolutely delicious!

This recipe is perfect when you want to serve bubbly hot mac & cheese to a crowd fast. No need to make a béchamel sauce, and the creamy casserole spends only 5 to 10 minutes under a broiler before it’s ready. (Keep in mind that this isn’t a make-ahead recipe. If you make the pasta and cheese mixture in advance and let it cool, you’d have to bake it for much longer than 5 to 10 minutes.) I used extra-sharp white Cheddar aged 9 months (3/4 cup=3 ounces), but ended up adding more (1/2 cup, that’s another 4 ounces) to make the sauce thicker and clingy. It was hard to “thinly slice” the semisoft Taleggio, so I cubed it (I removed the rind, which wouldn’t have melted nicely). The mushrooms (2 medium portobellos were about 10 ounces) and herbs (about 2 teaspoons each) added a deeper flavor and aroma, making this mac and cheese extra satisfying. In fact, I served it as a main course with just a side salad; no one left the table hungry!

To be honest, I’m not a big cheese fan, which I know is odd after living in Wisconsin for 6 years. As this recipe uses a few different cheeses, it came to me as a shock that I actually enjoyed it a lot. This was a fairly simple recipe to make. The mushrooms I used were presliced portobellos. After roasting the mushrooms, I cut them into small cubes so that I wouldn’t need to cut the mushrooms when eating the pasta. I decided to put in 1 tablespoon of each of the herbs in the dish. What I really liked most about this was that it was very creamy and the mushroom taste stood out a lot.

The mix of cheeses was cumulatively assertive but not overpowering and went well with the earthiness of the mushrooms. My husband isn’t a fan of strongly flavored cheeses but ate 3 helpings of this, despite saying that he found the cheese flavor to be powerful. (It seemed mellower upon reheating.) Even using the leaves from several sprigs of each herb, the effect of the herbs was virtually unnoticeable in the final product. To get more of the tarragon, I think it’d be a good idea to mix in some extra with the contents of the baking dish before it goes under the broiler.

Two portobellos (10 ounces) didn’t seem like enough for the casserole. I removed the gills before slicing and sliced the mushrooms about 1/4 inch thick and then each piece in half again.

I used a 9-by-13-inch metal baking dish.

Originally published October 21, 2013


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  1. It sounds like a great casserole. I have an instinctive aversion to macaroni cheese as the ones I first met in America were from a box and my strong dislike of prepared foods kicked in smartish.

    Then I discovered that the dreaded box mix is available in the UK! Oops!

    BTW. Why do you remove the stems and gills? And what do you do with them? That seems wasteful and I would leave the gills in and chop the stems smallish.

    1. Pat, I think you’ll find this recipe quite different from the boxed macaroni cheese. And you ask a very good question. We remove the stems because they can be tough, but you can absolutely chop them and include them here, chopped smallish as you say. Just be sure to trim the very ends of the stems. As for the gills, we find that they tend to discolor the sauce a little more than the rest of the mushroom, so it’s purely for aesthetic purposes. By all means, save them if you wish and include them. Or perhaps freeze the gills and reserve them till you have enough to make a batch of mushroom stock? Really look forward to hearing what you think when you make this…

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