Roasted Brussels Sprouts with Sweet Onion and Balsamic Glaze Recipe
Oct 02, 2025
This recipe for Roasted Brussels Sprouts with Sweet Onion and Balsamic Glaze is a flavorful and wholesome side dish that combines the earthy crispness of Brussels sprouts with the natural sweetness of caramelized onions and the tang of a rich balsamic glaze. Not only is it delicious, but it’s also packed with nutrients—Brussels sprouts are high in fiber, vitamin C, and antioxidants that support immune health and digestion, while onions provide anti-inflammatory compounds and beneficial plant nutrients. The balsamic glaze adds just the right amount of tanginess without being heavy, making this a balanced, nutrient-dense dish you’ll want to serve again and again.
Ingredients
- 1 lb of Brussels sprouts
- 1 small sweet onion
- 2 - 3 tbsp extra virgin olive oil
- 3/4 tsp salt (or to taste)
- 1/2 tsp ground pepper (or to taste)
- Premade balsamic glaze or balsamic vinegar reduced to a thick glaze
Instructions
- Preheat the oven to 400°F.
- Remove the ends and the thicker outer leaves from the Brussels sprouts and cut each Brussels sprout in half. Transfer them to a 8x8 or 9x9 baking pan.
- Chop the sweet onion and add to the pan with the Brussels sprouts.
- Add 2 - 3 tbsp of extra virgin olive oil to the pan along with the salt and pepper. Stir to coat the Brussels sprouts well.
- Bake at 400°F for 30 - 35 minutes or until the Brussels sprouts have softened and are starting to brown.
- Remove from the oven and let them cool slightly, then drizzle with balsamic glaze.
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