Roasted Asiago Sweet Onions are a simple yet flavorful side dish that transforms sweet onions into tender, golden-brown rounds, topped with melted Asiago cheese. The combination of caramelized onions and the sharp, nutty flavor of Asiago creates a dish that’s both savory and satisfying. Perfect as a side or topping for burgers and sandwiches, this dish adds depth and richness to any meal.
Ingredients
- 4 large sweet onions
- 1/4 cup olive oil
- 1/2 cup grated Asiago cheese
- Salt and pepper to taste
Directions
- Preheat oven to 400°F (200°C).
- Peel and slice the onions into 1/2-inch thick rounds.
- Place the onion rounds on a baking sheet and drizzle with olive oil.
- Sprinkle Asiago cheese over the onions and season with salt and pepper.
- Roast in the preheated oven for 25-30 minutes, or until the onions are tender and golden brown.
- Serve hot as a side dish or topping for burgers or sandwiches.
Servings and Timing
- Servings: 4
- Prep Time: 10 minutes
- Cooking Time: 25-30 minutes
- Total Time: 35-40 minutes
Variations
- Cheese Alternatives: Try other cheeses like Parmesan or Gruyère if you don’t have Asiago.
- Add Herbs: Fresh thyme or rosemary sprinkled over the onions before roasting can add extra flavor.
- Balsamic Glaze: Drizzle a little balsamic glaze over the roasted onions for added sweetness and depth.
- Spicy Twist: Sprinkle crushed red pepper flakes for a bit of heat.
Storage/Reheating
- Storage: Store leftover roasted onions in an airtight container in the fridge for up to 2 days.
- Reheating: Reheat in the oven at 350°F (175°C) for about 5-10 minutes to restore their texture. You can also reheat them in a microwave for a quicker option, though the texture may not be as crisp.
10 FAQs
- Can I use yellow onions instead of sweet onions?
Yes, yellow onions will work, but they will have a sharper flavor compared to sweet onions. - Can I use another cheese?
Yes, you can substitute Asiago with Parmesan, cheddar, or Gruyère for different flavor profiles. - Can I make these in advance?
While best fresh, you can prepare the onions and store them in the fridge. Reheat them in the oven before serving. - Can I cook them in a skillet instead of the oven?
You can cook them in a skillet over medium heat, but roasting gives the onions a more uniform caramelization. - What should I serve these with?
These onions make a great side for steak, grilled meats, burgers, or sandwiches. - Can I freeze roasted onions?
While you can freeze them, the texture might change when reheated. It’s better to store them in the fridge for short-term use. - Can I make this dish vegetarian?
Yes, this dish is already vegetarian, making it a great option for vegetarian meals. - Can I adjust the level of seasoning?
Absolutely! Feel free to add more salt or pepper, or experiment with other seasonings like garlic powder or onion powder. - What kind of olive oil should I use?
Use extra virgin olive oil for the best flavor, but any olive oil will work. - Can I make these onions in a grill pan?
Yes, grilling the onions in a pan will give them a smoky flavor, though the cooking time might vary.
Conclusion
Roasted Asiago Sweet Onions are an easy yet delicious way to enhance any meal. With just a few simple ingredients, this side dish combines the natural sweetness of onions with the richness of melted Asiago cheese, creating a perfect balance of savory flavors. Whether served alongside a hearty steak or as a topping for your favorite burger, this dish is sure to impress.
PrintAsiago Roasted Onions
- Total Time: 35 minutes
Description
Sweet onions roasted to perfection with a savory Asiago cheese topping. These caramelized onions make a perfect side dish or a tasty topping for burgers and sandwiches.
Ingredients
- 4 large sweet onions
- 1/4 cup olive oil
- 1/2 cup grated Asiago cheese
- Salt and pepper to taste
Instructions
- Preheat oven to 400°F (200°C).
- Peel and slice the onions into 1/2-inch thick rounds.
- Place the onion rounds on a baking sheet and drizzle with olive oil.
- Sprinkle Asiago cheese over the onions and season with salt and pepper.
- Roast in the preheated oven for 25-30 minutes, or until the onions are tender and golden brown.
- Serve hot as a side dish or topping for burgers or sandwiches.
Notes
For extra flavor, add a drizzle of balsamic vinegar or a sprinkle of fresh herbs like thyme before roasting.
- Prep Time: 10 minutes
- Cook Time: 25 minutes