If you're looking to add a bit of excitement to your vegetable side dishes, these spicy oven roasted brussel sprouts are a fantastic choice. The combination of olive oil, red pepper flakes, and a touch of balsamic vinegar creates a delightful balance of flavors that will make even the most skeptical eaters come back for more.
Most of the ingredients in this recipe are common pantry staples, but you might need to pick up brussel sprouts and balsamic vinegar if you don't already have them. Brussel sprouts can usually be found in the produce section, while balsamic vinegar is typically located with other vinegars and salad dressings.

Ingredients For Spicy Oven Roasted Brussel Sprouts Recipe
Brussel sprouts: Small, green vegetables that are part of the cabbage family, known for their slightly bitter taste and crunchy texture when roasted.
Olive oil: A healthy fat used to coat the brussel sprouts, helping them to roast evenly and develop a crispy exterior.
Salt: Enhances the natural flavors of the brussel sprouts and balances the spiciness.
Black pepper: Adds a mild heat and depth of flavor to the dish.
Red pepper flakes: Provides a spicy kick that elevates the overall flavor profile of the roasted brussel sprouts.
Balsamic vinegar: Adds a sweet and tangy finish to the dish, complementing the spiciness and enhancing the overall taste.
Technique Tip for This Recipe
To achieve perfectly crispy brussel sprouts, make sure they are spread out in a single layer on the baking sheet. Overcrowding can cause them to steam rather than roast, resulting in a less desirable texture. Additionally, for an extra layer of flavor, consider adding a sprinkle of garlic powder or a dash of smoked paprika to the olive oil mixture before roasting.
Suggested Side Dishes
Alternative Ingredients
brussel sprouts - Substitute with broccoli florets: Both have a similar texture and roast well in the oven, providing a comparable crunch and flavor.
olive oil - Substitute with avocado oil: Avocado oil has a high smoke point and a neutral flavor, making it a good alternative for roasting.
salt - Substitute with soy sauce: Soy sauce adds a salty flavor along with a bit of umami, which can enhance the overall taste of the dish.
black pepper - Substitute with white pepper: White pepper provides a similar heat but with a slightly different flavor profile, which can add a unique twist.
red pepper flakes - Substitute with cayenne pepper: Cayenne pepper offers a similar level of heat and can be used in the same quantity to maintain the spiciness.
balsamic vinegar - Substitute with apple cider vinegar: Apple cider vinegar has a tangy flavor that can mimic the acidity of balsamic vinegar, though it will be less sweet.
Other Alternative Recipes Similar to This Dish
How to Store or Freeze This Recipe
- Allow the brussel sprouts to cool completely before storing. This helps to maintain their texture and flavor.
- Transfer the cooled brussel sprouts to an airtight container. Using a container that seals well will keep them fresh longer.
- Store the container in the refrigerator. The brussel sprouts will stay fresh for up to 3-4 days.
- For freezing, place the cooled brussel sprouts on a baking sheet in a single layer. This prevents them from sticking together.
- Freeze the brussel sprouts on the baking sheet for about 1-2 hours, or until they are solid.
- Once frozen, transfer the brussel sprouts to a freezer-safe bag or container. Label the bag with the date for easy tracking.
- When ready to enjoy, reheat the brussel sprouts in a preheated oven at 375°F (190°C) for about 10-15 minutes, or until heated through and crispy again.
- Alternatively, you can reheat them in a skillet over medium heat with a little olive oil until they are warmed and crispy.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Spread the leftover brussel sprouts on a baking sheet in a single layer.
- Lightly drizzle with a bit more olive oil to prevent drying out.
- Reheat for 10-15 minutes, or until they are warmed through and slightly crispy again.
Stovetop Method:
- Heat a skillet over medium heat.
- Add a small amount of olive oil or butter to the skillet.
- Add the leftover brussel sprouts and sauté for about 5-7 minutes, stirring occasionally, until they are heated through and have regained some crispiness.
Microwave Method:
- Place the leftover brussel sprouts in a microwave-safe dish.
- Cover with a microwave-safe lid or a damp paper towel to retain moisture.
- Microwave on high for 1-2 minutes, checking halfway through to ensure they are evenly heated. Be cautious not to overheat, as they can become mushy.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the leftover brussel sprouts in the air fryer basket in a single layer.
- Air fry for 3-5 minutes, shaking the basket halfway through, until they are heated through and crispy.
Best Tools for This Recipe
Oven: Used to roast the brussel sprouts at a high temperature to achieve a crispy and browned texture.
Mixing bowl: Used to toss the brussel sprouts with olive oil, salt, black pepper, and red pepper flakes to ensure even coating.
Baking sheet: Provides a flat surface to spread the brussel sprouts in a single layer for even roasting.
Measuring spoons: Used to measure out the olive oil, salt, black pepper, red pepper flakes, and balsamic vinegar accurately.
Tongs: Useful for tossing the brussel sprouts in the mixing bowl and for turning them on the baking sheet if needed.
Knife: Used to trim and halve the brussel sprouts before tossing them with the seasoning.
Cutting board: Provides a safe surface for trimming and halving the brussel sprouts.
Oven mitts: Protect your hands when placing the baking sheet in the oven and when removing it once the brussel sprouts are done roasting.
How to Save Time on Making This Recipe
Preheat the oven early: Start preheating your oven while you prepare the brussel sprouts to save time.
Use pre-trimmed sprouts: Buy pre-trimmed brussel sprouts to skip the trimming step and speed up the process.
Line the baking sheet: Use parchment paper or a silicone baking mat to reduce cleanup time.
Mix in a large bowl: Toss the brussel sprouts with olive oil and spices in a large bowl for even coating and quicker preparation.
Batch cooking: Double the recipe and store leftovers for quick reheating later in the week.

Spicy Oven Roasted Brussel Sprouts
Ingredients
Main Ingredients
- 1 lb Brussel Sprouts trimmed and halved
- 2 tablespoon Olive Oil
- 1 teaspoon Salt
- 1 teaspoon Black Pepper
- 1 teaspoon Red Pepper Flakes
- 1 tablespoon Balsamic Vinegar
Instructions
- Preheat your oven to 400°F (200°C).
- In a mixing bowl, toss the Brussel sprouts with olive oil, salt, black pepper, and red pepper flakes.
- Spread the Brussel sprouts on a baking sheet in a single layer.
- Roast in the preheated oven for 20-25 minutes, until crispy and browned.
- Remove from the oven and drizzle with balsamic vinegar before serving.
Nutritional Value
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