Roasted onions are delicious and incredibly simple to make. They are so good that you can eat them without adding any seasoning, but if you prefer you can create several tasty combinations. You can roast them in the oven or in a pan. Take a cue from the many suggestions contained in the article.
Ingrediants
Whole Baked Onions
- Onions with the peel
- 60 ml of extra virgin olive oil (optional)
- Salt (optional)
Baked Onions with Balsamic Vinegar
- 4 onions, medium
- 2 tablespoons of extra virgin olive oil
- Balsamic vinegar
- Salt and pepper
Baked Onions with Rosemary
- 3 onions, medium
- 2 tablespoons of lemon juice
- 1 teaspoon of Dijon mustard
- 1 clove of garlic, finely chopped
- Half a teaspoon of dry rosemary
- Salt and pepper
- 60 ml of extra virgin olive oil
Roasted Onions Cooked in a Pan
- Onions
- Extra virgin olive oil (optional)
Roasted Onions Cooked on the Barbecue
- Onions with peel
- Extra virgin olive oil
- Salt and pepper
Steps
Method 1 of 5: Whole Baked Onions
![Roast Onions Step 1 Roast Onions Step 1](https://i.sundulerparents.com/images/004/image-10115-1-j.webp)
Step 1. Preheat the oven to 220ºC
![Roast Onions Step 2 Roast Onions Step 2](https://i.sundulerparents.com/images/004/image-10115-2-j.webp)
Step 2. Clean the onion skin if necessary
Rub them with a damp cloth to remove dirt.
![Roast Onions Step 3 Roast Onions Step 3](https://i.sundulerparents.com/images/004/image-10115-3-j.webp)
Step 3. Pour the oil into the bottom of the pan
Add the onions.
The use of oil is optional; if you prefer, you can cook the onions without any seasoning
![Roast Onions Step 4 Roast Onions Step 4](https://i.sundulerparents.com/images/004/image-10115-4-j.webp)
Step 4. Add some salt
This step is also optional.
![Roast Onions Step 5 Roast Onions Step 5](https://i.sundulerparents.com/images/004/image-10115-5-j.webp)
Step 5. Place the pan in the oven and cook the onions for 60-75 minutes
They are ready when the skin turns a dark copper color and begins to crack. Inside they should be very soft; you can verify this by stabbing them with the knife.
![Roast Onions Step 6 Roast Onions Step 6](https://i.sundulerparents.com/images/004/image-10115-6-j.webp)
Step 6. Serve the roasted onions
Cut off the top and place them on a serving dish to serve as a side dish.
Method 2 of 5: Baked Onions with Balsamic Vinegar
![Roast Onions Step 7 Roast Onions Step 7](https://i.sundulerparents.com/images/004/image-10115-7-j.webp)
Step 1. Preheat the oven to 220ºC
![Roast Onions Step 8 Roast Onions Step 8](https://i.sundulerparents.com/images/004/image-10115-8-j.webp)
Step 2. Peel the onions and then cut them in half
![Roast Onions Step 9 Roast Onions Step 9](https://i.sundulerparents.com/images/004/image-10115-9-j.webp)
Step 3. Brush them with extra virgin olive oil
Put them in the pan and season with salt and freshly ground pepper.
![Roast Onions Step 10 Roast Onions Step 10](https://i.sundulerparents.com/images/004/image-10115-10-j.webp)
Step 4. Bake the onions
They need to cook for 20-30 minutes. They are ready once soft and golden.
![Roast Onions Step 11 Roast Onions Step 11](https://i.sundulerparents.com/images/004/image-10115-11-j.webp)
Step 5. Remove them from the oven
Drizzle them with a generous amount of balsamic vinegar while they are still hot, then serve them to the table.
Method 3 of 5: Baked Onions with Rosemary
![Roast Onions Step 12 Roast Onions Step 12](https://i.sundulerparents.com/images/004/image-10115-12-j.webp)
Step 1. Preheat the oven to 200 ºC
![Roast Onions Step 13 Roast Onions Step 13](https://i.sundulerparents.com/images/004/image-10115-13-j.webp)
Step 2. Peel the onions and cut them into wedges
![Roast Onions Step 14 Roast Onions Step 14](https://i.sundulerparents.com/images/004/image-10115-14-j.webp)
Step 3. Prepare the dressing
Pour the lemon juice, mustard, and rosemary into a large bowl. Add salt and freshly ground pepper, then mix to combine the ingredients.
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When the ingredients are well blended, add the extra virgin olive oil and start mixing again.
Roast Onions Step 14Bullet1
![Roast Onions Step 15 Roast Onions Step 15](https://i.sundulerparents.com/images/004/image-10115-16-j.webp)
Step 4. Put the onions in the bowl as well
Stir them to distribute the toppings.
![Roast Onions Step 16 Roast Onions Step 16](https://i.sundulerparents.com/images/004/image-10115-17-j.webp)
Step 5. Transfer the onions to the pan
Arrange the wedges neatly.
![Roast Onions Step 17 Roast Onions Step 17](https://i.sundulerparents.com/images/004/image-10115-18-j.webp)
Step 6. Place the onions in the preheated oven
They must cook for 30-45 minutes or until they become soft and golden brown.
![Roast Onions Step 18 Roast Onions Step 18](https://i.sundulerparents.com/images/004/image-10115-19-j.webp)
Step 7. Remove them from the oven
Serve them while they are still hot. If you want, you can add some other seasoning to taste.
Method 4 of 5: Roasted Onions Cooked in a Pan
This recipe takes its cue from Mexican and Southern United States cuisine.
![Roast Onions Step 19 Roast Onions Step 19](https://i.sundulerparents.com/images/004/image-10115-20-j.webp)
Step 1. Peel the onions and cut them into quarters
![Roast Onions Step 20 Roast Onions Step 20](https://i.sundulerparents.com/images/004/image-10115-21-j.webp)
Step 2. Place them in a sturdy bottom pan
At this point you can decide whether to add extra virgin olive oil.
![Roast Onions Step 21 Roast Onions Step 21](https://i.sundulerparents.com/images/004/image-10115-22-j.webp)
Step 3. Simmer the onions
They have to cook slowly with a very low flame. Remember to turn them regularly.
![Roast Onions Step 22 Roast Onions Step 22](https://i.sundulerparents.com/images/004/image-10115-23-j.webp)
Step 4. Remove them when they are evenly golden
![Roast Onions Step 23 Roast Onions Step 23](https://i.sundulerparents.com/images/004/image-10115-24-j.webp)
Step 5. Use them however you like
You can eat them on their own or add them to another recipe.
Method 5 of 5: Roasted Onions Cooked on the Barbecue
![Roast Onions Step 24 Roast Onions Step 24](https://i.sundulerparents.com/images/004/image-10115-25-j.webp)
Step 1. Place whole or chopped onions in a metal barbecue basket
![Roast Onions Step 25 Roast Onions Step 25](https://i.sundulerparents.com/images/004/image-10115-26-j.webp)
Step 2. Add the extra virgin olive oil
Use enough to coat them completely.
![Roast Onions Step 26 Roast Onions Step 26](https://i.sundulerparents.com/images/004/image-10115-27-j.webp)
Step 3. Season them with salt and pepper if you prefer
![Roast Onions Step 27 Roast Onions Step 27](https://i.sundulerparents.com/images/004/image-10115-28-j.webp)
Step 4. Make sure the onions don't burn
Create two separate heat zones and cook the onions on the less hot side of the barbecue.