![Mushroom & Brussels Sprouts Au Gratin Mushroom & Brussels Sprouts Au Gratin](https://beautyoffitnesss.com/wp-content/uploads/2023/11/Brussels-Sprouts-Mushrooms-Au-Gratin-7long.jpg)
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Each single 12 months I discover a strategy to outdo myself at Thanksgiving. Whereas I completely admire the entire classics – particularly my mother-in-law’s heavenly mashed potatoes – I additionally take nice pleasure in placing one thing new and completely different on the desk. See for your self in my final Thanksgiving roundup!
This beautiful mushroom and brussels sprouts au gratin is an upgraded model of the inexperienced bean casserole everyone knows and love. It’s bought all of the issues: brussels sprouts that soften in your mouth, toasty thyme-infused buttery mushrooms, and a next-level “fried” onion and walnut topping.
Sure, it’s going to be a showstopper in your Thanksgiving desk, however don’t anticipate Thanksgiving to attempt it! It will be an important pairing together with your Sunday night time roasted hen. My gosh, you’re going to adore it! Byeeeee inexperienced beans.
Substances on this mushroom and brussels sprouts au gratin
Tender brussels sprouts, savory mushrooms, crispy onions, and a creamy parmesan-gruyere cheese sauce — this au gratin recipe is mindblowly scrumptious. We’re skipping the cream of mushroom soup right here, folks! Right here’s what you’ll have to make it:
- Veggies: you’ll want contemporary brussels sprouts, yellow onions, and child bella mushrooms for this au gratin recipe.
- Butter: we’re including salted butter to cook dinner down the veggies and to begin the cheese sauce.
- For the crispy onions: you’ll be tossing the onions in a combination of panko bread crumbs, parmesan cheese, chopped walnuts (the important thing for additional crunch!), garlic powder, and salt.
- For the mushrooms: cook dinner down these beautiful mushrooms with butter, salt, pepper, contemporary thyme, pink pepper flakes, and garlic.
- For the sauce: the silky, savory sauce is made with butter, all-purpose flour, low-sodium hen broth, milk, parmesan cheese, gruyere, salt & pepper.
Customise this brussels sprouts gratin
Sure, there are straightforward methods to make this au gratin your individual! Right here’s what I can suggest:
- Make it gluten-free. Merely use gluten free bread crumbs and a 1:1 gluten free all objective flour.
- Hold it vegetarian. Go for vegetable broth instead of the hen broth.
- Select your cheese. I really like the combo of parmesan and gruyere cheese, however you might additionally use cheddar, fontina, or a smoky gouda!
- Go nut free. I really like the additional crispiness that chopped walnuts add to the crispy onions, however in case you’re nut free you’ll be able to merely add extra bread crumbs.
Searching for an additional savory kick?
When you’re not serving vegetarians I counsel including cooked bacon or ham for additional scrumptious savory taste!
How one can make this brussels sprouts and mushroom au gratin
- Prep the brussels sprouts. Begin by blanching the brussels sprouts, then draining them and operating them underneath very chilly water in order that they cease cooking.
- Prep the onions. Prepare dinner the onions down in a bit of butter, then toss them with panko bread crumbs, parmesan, walnuts, garlic powder, and salt.
- Prepare dinner the mushrooms. Subsequent, cook dinner the mushrooms with butter in the identical skillet the onions have been in till they’re good and golden. Then stir within the thyme, pink pepper flakes, and garlic. Add them to the baking pan with the brussels sprouts.
- Make the sauce. Soften butter in the identical skillet, whisk within the flour till a paste kinds, then slowly stream within the broth and milk and whisk till nicely mixed. Carry the combination to a boil, then scale back to a simmer and let it thicken to a gravy texture. Take away it from the warmth and stir within the parmesan, gruyere, salt & pepper. Style and regulate the seasonings.
- Pour, prime & bake. Pour the cheese sauce into the pan with the brussels sprouts and mushrooms and stir to coat all the things. Evenly prime the pan with the onions, bake it up till golden brown and bubbly, and luxuriate in!
Make it forward of time
You’ll be able to simply make this brussels sprouts gratin forward to save lots of time throughout Thanksgiving. Right here’s what I like to recommend:
- Put together the recipe as directed however don’t bake it. Wrap the casserole dish in foil and place it within the fridge as much as 2 days forward.
- As soon as prepared, take away the foil and bake the au gratin till the onions are good and golden brown and the sauce is bubbly.
- Serve instantly with all of your favourite Thanksgiving dishes!
Storing & reheating ideas
- To retailer: merely retailer this broccoli cauliflower gratin within the fridge in particular person, hermetic containers or cowl the whole pan and place it within the fridge. It’s going to keep good for as much as 5 days.
- To reheat: reheat particular person parts within the microwave or place the pan again within the oven till heated via.
Extra Thanksgiving recipes you’ll love
Get all of my Thanksgiving recipes right here!
I hope you’re keen on this mushroom and brussels sprouts au gratin! When you make it you’ll want to depart a remark and a ranking so I understand how you appreciated it. Get pleasure from, xo!
Mushroom & Brussels Sprouts Au Gratin with Crispy Parmesan Walnut Panko ‘Fried’ Onion
![brussels sprouts gratin in a baking dish and on a plate](https://www.ambitiouskitchen.com/wp-content/uploads/2023/10/Brussels-Sprouts-Mushrooms-Au-Gratin-7-170x170.jpg)
Great mushroom and brussels sprouts au gratin with a luscious, creamy cheese sauce and a crispy parmesan walnut “fried” onion topping. This distinctive twist on conventional au gratin recipes is filled with scrumptious, savory flavors you will love. Excellent for Thanksgiving or pairing with weeknight dinners!
Substances
- Brussels Sprouts and Onions:
- 2 kilos Brussels sprouts, trimmed, outer leaves eliminated and sliced in half
- 1 tablespoon salted butter, melted
- 2 yellow onions, thinly sliced
- ½ cup panko bread crumbs, gluten-free if desired
- ½ cup grated parmesan cheese
- ½ cup very finely chopped uncooked walnuts
- ½ teaspoon garlic powder
- ½ teaspoon kosher salt
- Mushrooms:
- 1 tablespoon salted butter
- 16 ounces child bella mushrooms, sliced
- ¼ teaspoon kosher salt
- Freshly floor black pepper
- 1 tablespoon contemporary thyme leaves
- ¼ teaspoon pink pepper flakes
- 3 garlic cloves, minced
- Sauce:
- ¼ cup salted butter
- ⅓ cup all-purpose flour (or 1:1 gluten-free all-purpose flour)
- 1 ½ cups low-sodium hen broth (or vegetable broth), plus one other ½ cup extra, if crucial
- 1 cup entire milk or unsweetened almond milk
- ½ cup grated parmesan cheese
- 4 ounces gruyere cheese, shredded
- ½ teaspoon kosher salt, plus extra to style
- Plenty of freshly floor black pepper
Directions
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Preheat the oven to 375°F. Grease a 2-quart baking dish or 9×13-inch baking pan.
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Put together the Brussels sprouts: Carry a big pot of generously salted water to a boil over excessive warmth. Add the brussels sprouts and blanch, 2 minutes. Drain brussels and run underneath VERY chilly water to cease the cooking course of. Put aside.
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Put together the onions: In a big skillet, soften the butter over medium warmth. Add the onions and cook dinner till softened, about 8 minutes. Switch the onions to a big bowl and add the panko bread crumbs, parmesan cheese, walnuts, garlic powder, and salt; toss nicely to coat the onions. Put aside.
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Prepare dinner the mushrooms: Return the identical giant skillet to medium warmth and soften the butter. Add the mushrooms, salt, and pepper. Prepare dinner mushrooms, stirring often, till all liquid is absorbed from mushrooms and they’re golden brown; 8 to 10 minutes. Stir within the thyme, pink pepper flakes and garlic and cook dinner, stirring till aromatic, 1 minute. Switch to the baking pan with the Brussels sprouts and toss to mix.
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Put together the sauce: Return the identical giant skillet to medium warmth and soften the butter. Whisk within the flour and cook dinner till a paste kinds, then slowly stream within the broth after which the milk, always whisking away any lumps, till clean and well-combined. Enhance warmth and produce combination to a boil, then scale back the warmth to medium-low and simmer, whisking often, till sauce thickens to the consistency of gravy, 5 minutes. (If the sauce will get too thick, you’ll be able to add as much as ½ cup extra broth.) Take away from warmth and stir within the parmesan, gruyere, salt, and pepper. Style and regulate seasoning if crucial.
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Pour the sauce over the Brussels and mushrooms and provides it a mild stir to coat the brussels and mushrooms. Evenly distribute the onion combination excessive. Bake, uncovered, till the topping is golden brown and the sauce is bubbly, 25 to 35 minutes.
Recipe Notes
See the complete publish for ideas, methods, and nice methods to customise this recipe!
Vitamin
Serving: 1serving (primarily based on 12)Energy: 226calCarbohydrates: 16.1gProtein: 11.1gFats: 14.5gSaturated Fats: 6.3gFiber: 4.1gSugar: 3.6g
Recipe by: Monique Volz // Formidable Kitchen | Pictures by: Eat Love Eats
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