Buttery Roasted Onions
User Reviews
5
Buttery Roasted Onions
Description
Buttery Roasted Onions feature medium onion slices generously coated in melted butter and salted, then roasted in the oven to develop a golden caramelized crust. The low and steady roasting at 400°F encourages gentle browning, while an initial 20 minutes on each side ensures even cooking and a tender interior. This technique draws out the onion's natural sugars, producing a sweet and rich flavor contrasting with the savory butter.
The resulting onions can be served immediately as a side dish or incorporated into other meals, such as in omelets or as a flavorful topping. Their soft interior and crispy edges add texture and depth.
Careful attention is needed in the final 10 minutes to prevent burning, with optional additions like garlic powder, oregano, or Parmesan cheese enhancing the flavor. Leftovers store well refrigerated for several days and can be reheated gently or repurposed in other dishes.
Ingredients
- 2 tablespoons butter plus more for the pan
- 1 onion medium
- ½ teaspoon kosher salt or ¼ teaspoon of any other salt, including Morton kosher salt, Diamond Crystal brand
Instructions
- Preheat the oven to 400°F. Grease a square 8-inch Pyrex baking dish with butter.
- Peel the onion and slice it into ¼-inch-thick slices. You should get five slices.
- Arrange the slices in a single layer in the prepared baking dish. Melt the butter and pour it over the onions. Sprinkle them with kosher salt.
- Roast the onions until the bottoms are golden, about 20 minutes.
- Turn the onion slices to the other side and bake them until golde brown, about 20 more minutes.
- Serve immediately.
Notes
- Monitor closely during the last 10 minutes to avoid burning; aim for deep brown edges, not black.
- Optional seasonings include garlic powder, oregano, or a sprinkle of grated Parmesan after flipping.
- Leftover roasted onions keep for 3-4 days refrigerated and reheat well in the microwave at 50% power.
- Chopped leftovers can add flavor to omelets or scrambles.
- Doubling the recipe requires a larger pan, such as a 9x13-inch dish or parchment-lined rimmed baking sheet.
Nutrition Information
Show DetailsNutrition Facts
Serving: 2servings
Amount Per Serving
Calories 123 kcal
% Daily Value*
| Serving | 0.5recipe | |
| Calories | 123kcal | 6% |
| Carbohydrates | 5g | 2% |
| Protein | 1.7g | 3% |
| Fat | 11g | 17% |
| Saturated Fat | 7g | 35% |
| Sodium | 363mg | 15% |
| Fiber | 1g | 4% |
| Sugar | 2g | 4% |
* Percent Daily Values are based on a 2,000 calorie diet.
User Reviews
Overall Rating
5
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