Elevate your side dish game with these Roasted Red Onions, a simple yet stunning recipe that transforms humble onions into a gourmet delight. Thick slices of red onions are roasted to tender, caramelized perfection, infused with rich flavors from olive oil, balsamic vinegar, and the earthy aroma of fresh thyme. With just 10 minutes of prep time and a glorious 40-minute roast, this dish is perfect for weeknight dinners or special occasions. Serve these roasted onions warm to complement roasted meats, hearty vegetarian mains, or as a show-stopping addition to a salad or grain bowl. Bursting with natural sweetness and umami, this easy recipe will make you rethink onions forever!
Preheat your oven to 400°F (200°C).
Peel the red onions and slice them into 1/2-inch thick rounds, keeping them intact as much as possible.
Drizzle 1 tablespoon of olive oil onto a large baking sheet, spreading it evenly to prevent sticking.
Arrange the onion rounds in a single layer on the prepared baking sheet.
In a small bowl, whisk together 2 tablespoons of olive oil and 1 tablespoon of balsamic vinegar. Drizzle this mixture evenly over the onions.
Sprinkle the thyme leaves, kosher salt, and black pepper over the onions, making sure they are evenly distributed.
Transfer the baking sheet to the preheated oven and roast for 35-40 minutes, or until the onions are tender and caramelized, turning them once halfway through the cooking time.
Remove from the oven and allow the onions to cool slightly. Serve warm as a side dish, garnished with more fresh thyme if desired.
Serving size | 861.6 grams (861.6g) |
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Amount per serving | % Daily Value* |
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Calories | 716 |
Total Fat 43.00g | 55% |
Saturated Fat 6.50g | 33% |
Polyunsaturated Fat 4.00g | |
Cholesterol 0mg | 0% |
Sodium 626mg | 27% |
Total Carbohydrate 78.70g | 29% |
Dietary Fiber 15.40g | 55% |
Total Sugars 47.40g | |
Protein 9.30g | 19% |
Vitamin D 0IU | 0% |
Calcium 202mg | 16% |
Iron 2mg | 13% |
Potassium 1224mg | 26% |
Source of Calories