The Crispy Brussels Sprouts with Dijon Aioli are a restaurant-quality appetizer that you can now easily recreate in your own kitchen. This recipe delivers perfectly roasted Brussels sprouts—crispy on the outside, tender on the inside—paired with a creamy, tangy Dijon aioli. It’s a delightful combination of textures and flavors that elevates a humble vegetable into a show-stopping dish, perfect for entertaining or a gourmet weeknight treat. This recipe is specifically for making Crispy Brussels Sprouts with Dijon Aioli.
Key Ingredients for Crispy Brussels Sprouts with Dijon Aioli
To create this delectable appetizer, gather the following ingredients:
For the Crispy Brussels Sprouts:
- 1 ½ pounds (about 680g) Brussels sprouts: Look for firm, bright green sprouts. Trim the tough ends and remove any loose or discolored outer leaves. For smaller sprouts, halve them; for larger ones, quarter them through the stem.
- 3 tablespoons olive oil: A good quality extra virgin olive oil works best for roasting, providing flavor and helping achieve that desirable crispness.
- ½ teaspoon sea salt: Or to taste, for seasoning the sprouts before roasting.
- ¼ teaspoon freshly ground black pepper: Or to taste, to complement the salt.
- Optional garnishes: Red pepper flakes for a touch of heat, or fresh parsley/chives, finely chopped, for a pop of color and freshness.
For the Dijon Aioli:
- ½ cup good quality mayonnaise: Opt for a full-fat, good quality mayonnaise for the best creamy base.
- 2 tablespoons Dijon mustard: The star of the aioli, providing that signature tangy, slightly spicy flavor.
- ** garlic clove:** Minced very finely, for a subtle aromatic kick.
- 1 tablespoon fresh lemon juice: Adds brightness and cuts through the richness of the aioli.
- ¼ teaspoon sea salt: Or to taste, to balance the flavors.
- Pinch of freshly ground black pepper: Or to taste.
How to Make Crispy Brussels Sprouts with Dijon Aioli
This Crispy Brussels Sprouts with Dijon Aioli recipe is surprisingly easy to master, transforming simple ingredients into a gourmet appetizer that’s both satisfying and incredibly flavorful. The magic lies in achieving that perfect crispiness on the sprouts, which then beautifully contrasts with the rich, creamy, and tangy Dijon aioli. It’s a delightful dish that truly pleases the palate, offering a restaurant-quality experience right at home with minimal fuss. Expect about 10 minutes of prep time and 20-25 minutes of cooking time.
Step-by-Step Instructions:
Prepare the Brussels Sprouts:
- Preheat your oven to 400°F (200°C). Lay a large baking sheet with parchment paper for easier cleanup and to prevent sticking.
- Trim the Brussels sprouts by cutting off the tough stem ends. Remove any yellowed or loose outer leaves.
- Halve the Brussels sprouts. If you have particularly large sprouts, quarter them to ensure even cooking and maximum crispiness.
- In a large bowl, toss the trimmed and cut Brussels sprouts with the olive oil, ½ teaspoon sea salt, and ¼ teaspoon black pepper. Make sure all the sprouts are well coated.
- Spread the seasoned Brussels sprouts in a single layer on the prepared baking sheet. Ensure they are not overcrowded, as this will steam them instead of roasting them crisp. Use two baking sheets if necessary.
Roast the Brussels Sprouts:
- Roast in the preheated oven for 20-25 minutes, or until the sprouts are deeply golden brown and crispy on the outside, and tender when pierced with a fork.
- Halfway through the roasting time (around 10-12 minutes), gently toss the sprouts with a spatula to ensure even browning and crisping on all sides. Keep a close eye on them towards the end of the cooking time to prevent burning.
Prepare the Dijon Aioli:
- While the Brussels sprouts are roasting, prepare the Dijon aioli. In a small bowl, combine the mayonnaise, Dijon mustard, minced garlic clove, fresh lemon juice, ¼ teaspoon sea salt, and a pinch of black pepper.
- Whisk vigorously until all ingredients are well combined and the aioli is smooth and creamy. Taste and adjust seasoning if necessary; you might want a little more salt, pepper, or lemon juice depending on your preference.
- Cover the aioli and refrigerate until ready to serve to allow the flavors to meld.
Serve:
- Once the Brussels sprouts are crispy and cooked through, remove them from the oven.
- Transfer the hot, crispy Brussels sprouts to a serving platter or individual bowls.
- Drizzle generously with the prepared Dijon aioli, or serve the aioli on the side for dipping.
- Garnish with red pepper flakes or fresh herbs like chopped parsley or chives, if desired, for an extra touch of color and flavor. Serve immediately while hot and crispy.
Why You’ll Love This Crispy Brussels Sprouts with Dijon Aioli
You’re going to absolutely adore this Crispy Brussels Sprouts with Dijon Aioli recipe because it flawlessly transforms a often-maligned vegetable into an utterly irresistible dish. The main highlight is undoubtedly the incredible texture: shatteringly crisp on the outside, yet tender and flavorful within, perfectly complemented by the creamy, tangy, and subtly garlicky Dijon aioli. It’s a sophisticated appetizer that feels indulgent but is surprisingly simple to make, giving you that restaurant-quality experience without the hefty price tag, making it incredibly cost-effective. Each bite offers a harmonious balance of earthy, savory, bright, and pungent notes—truly a symphony of flavors that will leave you craving more.
This dish stands out from other roasted vegetable recipes because of its vibrant flavor profile and the luxurious yet simple aioli. If you enjoy this, you might also love our post on “Garlic Herb Roasted Asparagus” for another fantastic vegetable side. So, why not treat yourself and your loved ones to this delightful appetizer tonight? You won’t regret it!
What to Serve Crispy Brussels Sprouts with Dijon Aioli With
These Crispy Brussels Sprouts with Dijon Aioli are incredibly versatile and can complement a wide array of dishes. For a complete appetizer spread, they pair beautifully with other small plates like Garlic Parmesan Chicken Wings, mini Caprese Skewers, or Prosciutto-Wrapped Melon. If you’re serving them as a side dish, they shine alongside Pan-Seared Salmon, Grilled Steak, or a hearty Roasted Chicken. For a lighter meal, consider them with a fresh Quinoa Salad or a simple Lemon Herb Rice. As for drinks, a crisp Sauvignon Blanc or a refreshing Pale Ale would be excellent choices, while a classic Lemon Drop Martini or a non-alcoholic Sparkling Cranberry Spritzer would also complement the flavors.
Top Tips for Perfecting Crispy Brussels Sprouts with Dijon Aioli
Achieving the perfect Crispy Brussels Sprouts with Dijon Aioli requires a few insider tricks to ensure optimal flavor and texture.
- Don’t Overcrowd the Pan: This is perhaps the most crucial tip for crispy Brussels sprouts. If you pile too many sprouts onto a single baking sheet, they will steam instead of roast, resulting in soggy, unappealing sprouts. Spread them in a single layer with a little space between each piece. If necessary, use two baking sheets.
- High Heat is Key: Roasting at 400°F (200°C) allows the sprouts to char and caramelize, which is essential for that crispy exterior and sweet, nutty flavor. Don’t be tempted to lower the temperature unless your oven runs very hot.
- Cut Evenly: Ensure all your Brussels sprouts are cut into similar sizes (halves or quarters). This guarantees they cook at the same rate, preventing some from burning while others remain undercooked.
- Dry Sprouts are Crispy Sprouts: After washing, make sure your Brussels sprouts are thoroughly dry before tossing them with olive oil. Excess moisture will hinder crisping. A salad spinner or patting dry with a clean kitchen towel works wonders.
- Experiment with Seasonings: While salt and pepper are standard, feel free to experiment with other spices. A sprinkle of garlic powder, onion powder, smoked paprika, or a dash of chili flakes can add an extra layer of flavor to your sprouts.
- Fresh Lemon Juice in Aioli: Always use fresh lemon juice for the aioli. Bottled lemon juice lacks the vibrant, bright flavor that balances the richness of the mayonnaise and mustard so perfectly.
- Taste and Adjust Aioli: Don’t be afraid to taste your Dijon aioli and adjust the seasoning. A little more lemon for brightness, a touch more Dijon for tang, or an extra pinch of salt can make all the difference.
- Aioli Consistency: If your aioli is too thick, thin it out with a tiny bit of water or additional lemon juice, a teaspoon at a time, until it reaches your desired consistency.
- Roast Until Deeply Golden: Don’t pull the sprouts out too early. They should have some visibly dark, almost charred bits for maximum crispness and flavor. This caramelization is where the magic happens.
- Serve Immediately: Crispy Brussels sprouts are best served fresh out of the oven. As they cool, they tend to lose their crispness.
Storing and Reheating Tips
These Crispy Brussels Sprouts with Dijon Aioli are best enjoyed immediately after preparation, as their prime crispiness is fleeting. However, if you have leftovers, here’s how to handle them:
- Storage: Store leftover roasted Brussels sprouts and Dijon aioli separately in airtight containers in the refrigerator. The Brussels sprouts will lose their crispness and soften, but they will still be delicious. The sprouts can be stored for up to 3-4 days. The Dijon aioli can be stored for up to 5-7 days.
- Reheating Brussels Sprouts: To revive some crispness in the sprouts, preheat your oven or a toaster oven to 375°F (190°C). Spread the sprouts in a single layer on a baking sheet and reheat for 5-10 minutes, or until warmed through and slightly crisped again. Avoid using a microwave, as this will only make them softer. If you have an air fryer, you can reheat them at 350°F (175°C) for 3-5 minutes for even better results.
- Reheating Aioli: The Dijon aioli does not require reheating. Simply remove it from the refrigerator about 15-20 minutes before serving to allow it to come closer to room temperature, which often enhances its flavor.
- Freezing: Freezing is not recommended for roasted Brussels sprouts in general, as the texture becomes overly mushy upon thawing and reheating. The Dijon aioli also does not freeze well due to the mayonnaise base, which tends to separate.
Final Thoughts
There you have it—a truly exceptional appetizer that’s bound to become a staple in your culinary repertoire. These Crispy Brussels Sprouts with Dijon Aioli are more than just a side dish; they’re a testament to how simple ingredients, when treated with care, can transform into something extraordinary. Whether you’re aiming to impress guests, elevate a weeknight meal, or simply indulge in a wholesome yet utterly delicious snack, this recipe delivers on all fronts. Get ready for rave reviews and empty plates!
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- Medium
Crispy Brussels Sprouts with Dijon Aioli FAQs
Q1: Can I make the Dijon aioli ahead of time?
A1: Yes, absolutely! Preparing the Dijon aioli 1-2 days in advance actually allows the flavors to meld and deepen, making it even more delicious. Store it in an airtight container in the refrigerator until ready to use.
Q2: My Brussels sprouts aren’t getting crispy. What am I doing wrong?
A2: The most common reasons for non-crispy sprouts are overcrowding the baking sheet (which steams them) or not roasting at a high enough temperature. Ensure they are in a single layer with space between them, and your oven is preheated to 400°F (200°C). Also, make sure the sprouts are dry before tossing with oil.
Q3: Can I use frozen Brussels sprouts for this recipe?
A3: While fresh Brussels sprouts are highly recommended for the best crispiness and flavor, you can use frozen. However, you’ll need to thaw them completely and pat them very dry before roasting to minimize excess moisture, which can hinder crisping. They may not get as crispy as fresh ones.
Q4: What are some good substitutes for Dijon mustard in the aioli?
A4: If you don’t have Dijon mustard, you could try a stone-ground mustard for a similar texture and a milder, less tangy flavor. Whole grain mustard could also work, adding a bit of textural interest. Avoid using yellow hot dog mustard, as its flavor profile is very different.
Q5: Can I make this recipe vegan?
A5: Yes! To make it vegan, simply use a high-quality vegan mayonnaise for the Dijon aioli. The Brussels sprouts are naturally vegan.
Q6: What if I don’t have fresh lemon juice for the aioli?
A6: Fresh lemon juice is highly recommended for its bright, essential flavor. If you absolutely can’t use fresh, a very small amount of white wine vinegar (about a teaspoon) could offer a similar acidic tang, but it won’t have the same nuanced brightness as fresh lemon.
Q7: How can I add extra flavor to the roasted Brussels sprouts?
A7: Beyond salt and pepper, consider tossing the sprouts with a sprinkle of garlic powder, onion powder, smoked paprika, or chili powder before roasting. A drizzle of balsamic glaze after roasting can also add a delightful sweet and tangy finish.

Crispy Brussels Sprouts with Dijon Aioli
- Total Time: 35 minutes
- Yield: 4 servings 1x
Description
This recipe delivers perfectly roasted Brussels sprouts—crispy on the outside, tender on the inside—paired with a creamy, tangy Dijon aioli. It’s a delightful combination of textures and flavors that elevates a humble vegetable into a show-stopping dish, perfect for entertaining or a gourmet weeknight treat.
Ingredients
- **For the Crispy Brussels Sprouts:**
- 1 ½ pounds (about 680g) Brussels sprouts, trimmed and halved or quartered
- 3 tablespoons olive oil
- ½ teaspoon sea salt
- ¼ teaspoon freshly ground black pepper
- Optional garnishes: Red pepper flakes, fresh parsley/chives
- **For the Dijon Aioli:**
- ½ cup good quality mayonnaise
- 2 tablespoons Dijon mustard
- 1 garlic clove, minced very finely
- 1 tablespoon fresh lemon juice
- ¼ teaspoon sea salt
- Pinch of freshly ground black pepper
Instructions
- **Prepare the Brussels Sprouts:** Preheat your oven to 400°F (200°C). Line a large baking sheet with parchment paper. In a large bowl, toss the trimmed and cut Brussels sprouts with the olive oil, ½ teaspoon sea salt, and ¼ teaspoon black pepper until well coated. Spread the seasoned Brussels sprouts in a single layer on the prepared baking sheet, ensuring they are not overcrowded.
- **Roast the Brussels Sprouts:** Roast in the preheated oven for 20-25 minutes, or until deeply golden brown and crispy on the outside, and tender when pierced with a fork. Halfway through the roasting time (around 10-12 minutes), gently toss the sprouts with a spatula to ensure even browning.
- **Prepare the Dijon Aioli:** While the Brussels sprouts are roasting, prepare the Dijon aioli. In a small bowl, combine the mayonnaise, Dijon mustard, minced garlic clove, fresh lemon juice, ¼ teaspoon sea salt, and a pinch of black pepper. Whisk vigorously until smooth and creamy. Taste and adjust seasoning if necessary. Cover and refrigerate until ready to serve.
- **Serve:** Once the Brussels sprouts are crispy and cooked through, remove them from the oven. Transfer the hot sprouts to a serving platter. Drizzle generously with the prepared Dijon aioli, or serve the aioli on the side for dipping. Garnish with red pepper flakes or fresh herbs like chopped parsley, if desired. Serve immediately while hot and crispy.
Notes
For maximum crispiness, ensure Brussels sprouts are thoroughly dry before roasting and spread them in a single layer without overcrowding the baking sheet. A high roasting temperature is key for charring and caramelization.
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Category: Appetizer, Side Dish
- Method: Roasting
- Cuisine: American, European
Nutrition
- Serving Size: Per serving
- Calories: 210
- Sugar: 4g
- Sodium: 350mg
- Fat: 18g
- Saturated Fat: 3g
- Unsaturated Fat: 14g
- Trans Fat: 0g
- Carbohydrates: 12g
- Fiber: 4g
- Protein: 3g
- Cholesterol: 10mg
