Discover the Ultimate Brussels Sprouts Recipe!

Discover the Ultimate Brussels Sprouts Recipe!

In the realm of vegetable side dishes, Brussels sprouts have experienced a renaissance in recent years. Once relegated to the “dreaded vegetables” list, these mini cabbage-like wonders are now taking center stage on dinner tables all over the world. Among the myriad ways to prepare Brussels sprouts, one recipe stands out for its irresistible flavor and simplicity: Garlic Roasted Brussels Sprouts with Purple Onion and Red Pepper.

A Glimpse into the History of Brussels Sprouts

Brussels sprouts, scientifically known as Brassica oleracea var. gemmifera, have a storied history that dates back to ancient Rome. These miniature vegetables are believed to have been cultivated in what is now modern-day Belgium, hence the name “Brussels sprouts.” They have been a part of European cuisine for centuries, finding their way onto plates in various forms, from boiled to roasted.

Why This Recipe Is So Popular

The popularity of Garlic Roasted Brussels Sprouts with Purple Onion and Red Pepper is not merely a passing trend; it’s a culinary revolution. So, what makes this dish so appealing? Let’s delve into the reasons:

1. Unparalleled Flavor Combination: The recipe combines the nutty, earthy flavor of Brussels sprouts with the sweetness of red pepper and the subtle pungency of purple onion. The addition of garlic provides a depth of savory goodness that elevates this dish to new heights.

2. Textural Harmony: Roasting the Brussels sprouts results in a delightful contrast of textures. The outer leaves become crispy and caramelized, while the inner layers remain tender, creating an addictive textural blend.

3. Ease of Preparation: This recipe is incredibly straightforward and can be whipped up in just 30 minutes. Whether you’re a seasoned home cook or a beginner in the kitchen, it’s accessible to all.

Common Ingredients

Before we dive deeper into why Garlic Roasted Brussels Sprouts with Purple Onion and Red Pepper is a nutritional powerhouse, let’s take a closer look at its key ingredients:

  • Brussels Sprouts: Packed with vitamins, minerals, and dietary fiber, Brussels sprouts are a nutritional powerhouse. They are an excellent source of vitamin C, vitamin K, folate, and various antioxidants.
  • Purple Onion: Purple onions, or red onions, add a burst of color and a mild, slightly sweet flavor to the dish. They are low in calories and rich in antioxidants and flavonoids.
  • Red Pepper: Red peppers bring a vibrant hue and a sweet, tangy flavor. They are an excellent source of vitamin C, vitamin A, and dietary fiber.
  • Garlic: Garlic not only enhances the dish’s taste but also boasts potential health benefits, including immune support and cardiovascular health.
  • Olive Oil: Olive oil adds healthy fats and contributes to the vegetables’ crispy texture when roasted.
  • Salt and Pepper: These seasonings are staples in the kitchen and help enhance the overall flavor of the dish.

Garlic Roasted Brussels Sprouts with Purple Onion and Red Pepper

Enjoy a delightful and healthy side dish with this Garlic Roasted Brussels Sprouts recipe, featuring the savory flavors of purple onion and red pepper. These roasted Brussels sprouts are not only delicious but also quick and easy to prepare. Perfect for any meal, they make a fantastic addition to your dinner table.
Course Vegetables
Cuisine American
Prep Time 10 minutes
Cook Time 20 minutes
Servings 4
Author N. Jay Sorensen, MBA RDN


  • 1 pound Brussels sprouts trimmed and halved
  • 1/2 purple onion thinly sliced
  • 1 red bell pepper diced
  • 4 cloves garlic minced
  • 2 tablespoons olive oil
  • Salt and pepper to taste
  • Optional: 1/4 cup grated Parmesan cheese for added flavor


  • Preheat your oven to 425°F (220°C) and line a baking sheet with parchment paper.
  • In a large bowl, combine the Brussels sprouts, purple onion, red pepper, and minced garlic.
  • Drizzle the olive oil over the vegetable mixture and season generously with salt and pepper. Toss everything together until the vegetables are evenly coated.
  • Spread the seasoned vegetables out on the prepared baking sheet in a single layer, making sure they have some space between them. This helps them roast evenly and develop a crispy texture.
  • Roast in the preheated oven for 20-25 minutes or until the Brussels sprouts are tender and slightly caramelized, stirring once halfway through cooking.
  • If desired, sprinkle grated Parmesan cheese over the roasted Brussels sprouts during the last 5 minutes of cooking for an extra layer of flavor.
  • Remove from the oven, let cool slightly, and serve hot.


Enjoy these delicious roasted Brussels sprouts as a side dish for any meal, and watch as even the pickiest eaters fall in love with their rich flavors!

Nutrition Breakdown

Beyond its incredible flavor, Garlic Roasted Brussels Sprouts with Purple Onion and Red Pepper is a nutritional powerhouse. Here’s a quick breakdown of its key nutritional components:

  • Fiber: The Brussels sprouts and red pepper provide dietary fiber, which aids in digestion and helps maintain a feeling of fullness.
  • Vitamins: This dish is rich in vitamin C, which supports the immune system, and vitamin K, essential for bone health.
  • Antioxidants: Brussels sprouts, red pepper, and purple onion contain antioxidants that combat free radicals in the body, potentially reducing the risk of chronic diseases.
  • Low in Calories: With a focus on whole, unprocessed ingredients, this recipe is low in calories, making it an excellent choice for weight-conscious individuals.

Serving Ideas

While Garlic Roasted Brussels Sprouts with Purple Onion and Red Pepper is delightful on its own, it can be incorporated into various meal settings:

  • Main Course Companion: Serve it alongside grilled chicken, roasted salmon, or a juicy steak for a well-rounded meal.
  • Salad Upgrade: Add the roasted vegetables to a bed of fresh greens, drizzle with balsamic vinaigrette, and top with toasted nuts or cheese for a hearty salad.
  • Brunch Delight: These Brussels sprouts are a perfect addition to a brunch spread, served with poached eggs or in a breakfast burrito.

Chef Tips

To ensure your Garlic Roasted Brussels Sprouts with Purple Onion and Red Pepper turn out perfectly every time, consider these expert tips:

  • Even Slicing: Slice the Brussels sprouts evenly to promote consistent cooking. If some are significantly larger, halve or quarter them to match the size of the smaller ones.
  • Uniform Size: Keep the red pepper and purple onion pieces roughly the same size to ensure even roasting.
  • Don’t Crowd the Pan: Spread the vegetables out on the baking sheet in a single layer to prevent overcrowding, which can result in steaming rather than roasting.
  • Parmesan Magic: For an extra layer of flavor, sprinkle grated Parmesan cheese over the vegetables during the last few minutes of roasting. The cheese will melt and create a delectable crust.


In a world where healthy eating is more important than ever, Garlic Roasted Brussels Sprouts with Purple Onion and Red Pepper emerges as a hero dish, blending impeccable taste with nutritional benefits. Its versatility, ease of preparation, and delectable flavors make it a must-try recipe for anyone looking to elevate their vegetable game. So, embrace the Brussels sprouts revolution and savor every bite of this culinary delight.

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