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Roasted Truffle Brussels Sprouts with Parmesan

on November 7, 2024
last updated December 17, 2024
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These Truffle Brussels Sprouts with Parmesan is a simple yet elevated vegetable side dish bursting with flavor while only requiring 6 ingredients, one sheet pan, and less than 30 minutes.
Overhead image of rustic serving plate piled high with roasted brussels sprouts topped with truffle oil and grated Parmesan cheese.

If you’re looking to elevate your greens, this Truffle Brussels Sprouts recipe is the easiest way to transform humble sprouts into a gourmet side dish.

With just 6 ingredients, about 30 minutes, and one sheet pan required, this simple yet delicious recipe for brussels sprouts is completely no-fuss. Plus, the combination of truffle and Parmesan can’t be beat (see also: Parmesan Truffle Fries!).

Truly, as a mom with limited time and refined taste, this recipe ticks all the boxes! Minimal ingredients, lots of flavor, and crazy fast!

And between this recipe and my recipe for Maple Balsamic Brussels Sprouts, I’m convinced that I can convert anyone into a brussels sprouts lover!

Close up crop of Parmesan truffle brussels sprouts.

Parmesan Truffle Brussels Sprouts Ingredients


Here’s everything you need:

  • Brussels sprouts. One stem or one package of brussels sprouts is also usually about one pound of sprouts. Fresh or frozen (thawed).
  • Olive oil.
  • Salt & pepper. Or steak seasoning.
  • Truffle oil.
  • Parmesan cheese.
Overhead view of all ingredients for truffle brussels sprouts - truffle oil, salt, brussels sprouts, olive oil, parmesan cheese, and pepper.

How to Make Brussels Sprouts with Truffle Oil


How to Prep Fresh Brussels Sprouts for Roasting

Wash your brussels sprouts, by simply adding them to a strainer or sieve and run them under cold water.

Alternatively, you can soak them in a bowl of cold water for a few minutes. This will just help to remove any dirt or dust, or if they arenโ€™t organic, any pesticides or residual fertilizers that may be left on the brussels sprouts.

Then, cut off the very tip on the stem side to remove the rough end and slice them in half lengthwise. Simple as that!

The brussels sprouts tips can be saved with other veggie scraps to make your own vegetable broth, or they can be composted.

Fresh brussels sprouts halved with tips cut off.

Season and Coat Your Sprouts

Spread your prepped sprouts on a baking sheet in a single layer. Sprinkle on the salt, pepper, and olive oil.

Then, use clean hands to toss so that all of the brussels sprouts are evenly coated.

Seasoning prepped brussels sprouts with salt and pepper.
Drizzle on the oil and season with salt and pepper.
Tossing brussels sprouts in olive oil, salt, and pepper to make sure they are evenly coated.
Toss to coat evenly.

How to Perfectly Roast Brussels Sprouts

Make sure your oven is preheated to 425ยฐF. Roast the brussels sprouts on the top rack for 15-20 minutes until they start to brown and feel crispy to touch.

If you want the most even roast, you can toss them halfway through. I honestly don’t always do this, especially if I’m multitasking in the kitchen, but it definitely doesn’t hurt!

Truffle sprouts roasted in olive oil until crispy.
Roast the brussels sprouts on the top rack of the oven at 425ยฐF for 15-20 minutes.

Add the Truffle Oil and Parmesan JUST Before Serving

Truffle oil is a finishing oil. If you heat it too much it not only looses its flavor but can sometimes even become bitter.

That’s why we roast the brussels sprouts in the olive oil and then just finish it off with the truffle oil.

Once you get the brussels sprouts crispy, the goal is to keep them that way! Add the truffle oil and Parmesan just before serving.

Topping roasted sprouts with truffle oil just before serving.
Just before serving, top with truffle oil.
Topping truffle brussels sprouts with freshly grated Parmesan.
Finish with freshly grated Parmesan.

How to Properly Store and Reheat Truffled Brussels Sprouts

These Roasted Truffled Brussels Sprouts will last in an airtight container in the refrigerator for up to 5 days. They can also be frozen for up to a year.

To thaw them, transfer the brussels sprouts from the freezer to the refrigerator about 24 hours beforehand.

To reheat these leftovers, bring your oven up to 350ยฐF and roast them again as is (no need to add any extra oil or seasonings) for 8-10 minutes until heated through. Add a splash of extra truffle oil and Parmesan once they’re hot.

My Favorite Ways to Serve these Sprouts

This dish makes a great app or starter, but also the perfect side dish! Here are some of my favorite mains to serve these up with:

Platter of roasted brussels sprouts with truffle and Parmesan.

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Overhead image of rustic serving plate piled high with roasted brussels sprouts topped with truffle oil and grated Parmesan cheese.

Roasted Truffle Brussels Sprouts with Parmesan

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Marley Goldin
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These Truffle Brussels Sprouts with Parmesan is a simple yet elevated vegetable side dish bursting with flavor while only requiring 6 ingredients, one sheet pan, and less than 30 minutes.
Prep Time 5 minutes
Cook Time 20 minutes
Total Time 25 minutes
Servings 4 servings

Equipment

Ingredients
  

  • 1 pound brussels sprouts
  • 2 tablespoons olive oil
  • ยฝ teaspoon salt
  • ยฝ teaspoon black pepper
  • 1 tablespoon truffle oil
  • ยฝ ounce Parmesan cheese (freshly grated)

Instructions
 

  • Preheat the oven to 425ยฐF and prep your brussels sprouts by trimming the ends off and slicing them in half lengthwise.
  • Add your prepared brussels sprouts to a baking sheet. Add the olive oil, salt, and pepper, and toss to coat.
  • Roast for 15-20 minutes until the brussels sprouts start to brown and get crispy.
  • Transfer to a plate and just before serving, pour over the truffle oil and grate on the Parmesan cheese. Enjoy!

Pro Tips

  • Want to make these in the air fryer? You absolutely can! Give it 8-10 minutes at 350ยฐF.
  • The Brussels sprouts tips can be composted or used to make your own vegetable broth!
Course Appetizers, Sides
Cuisine American
Diet Vegetarian
Keyword 30 Minutes or Less, Roasted Brussels Sprouts, Roasted Vegetables, Truffle, Vegetable Side Dish
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