Caramelized onions
Caramelized onions are a sweet and rich addition to many dishes, made by slowly cooking red onions in olive oil until golden. This simple method enhances their natural sweetness with a touch of brown sugar and vinegar for a flavorful finish.
Cook time 30 min
Prep time 5 min
Ingredients:
2 tbsp olive oil2 red onions
2 tsp brown sugar
2 tbsp vinegar
Caramelized onions are a delicious addition to a wide variety of dishes, offering a rich and sweet flavor that enhances any plate. Whether you're adding them to burgers, salads, sandwiches, or even as a side dish, this simple recipe can elevate your meal to the next level.
Instructions:
- Peel the red onions and cut them in half lengthwise.
- Thinly slice the onions into half-moons.
- In a large skillet or frying pan, heat the olive oil over medium heat. Swirl the pan to ensure the oil coats the surface evenly.
- Add the thinly sliced onions to the pan. Stir to coat the onions with the oil.
- Spread the onions out in an even layer in the pan.
- Cook the onions over medium heat, stirring occasionally, for about 10 minutes until they begin to soften and turn translucent.
- Keep an eye on the heat to make sure the onions aren't browning too quickly. Adjust the heat as needed to avoid burning.
- Sprinkle the brown sugar over the onions. Stir to combine. The sugar will help with the caramelization process, giving the onions a deeper flavor and richer color.
- Continue to cook the onions, stirring occasionally, for another 20-25 minutes. Patience is key here; allow the onions to cook slowly to develop a rich, caramel color and sweet flavor.
- If the onions start to stick to the pan or cook too quickly, reduce the heat slightly and add a splash of water to deglaze the pan.
- Once the onions are deeply caramelized, pour in the vinegar. Use the vinegar to deglaze the pan, scraping up any browned bits from the bottom.
- Stir and cook for another 2-3 minutes until the vinegar has evaporated and the onions are glossy and deeply flavored.
- Transfer the caramelized onions to a bowl and let them cool slightly.
- Use immediately as a topping for burgers, sandwiches, or pizzas, or incorporate into dishes like pasta, salads, or soups.
- If storing, allow the onions to cool completely before transferring to an airtight container. Refrigerate for up to one week or freeze for longer storage.
With just a few simple ingredients and a bit of patience, you can create a batch of caramelized onions that will add depth and flavor to many different dishes. Follow these tips, and enjoy the sweet, savory result of your efforts in the kitchen.
Caramelized onions FAQ:
Caramelizing onions takes about 30-35 minutes in total. Start by cooking them over medium heat for about 10 minutes until they soften. Then, add brown sugar and continue cooking for another 20-25 minutes until they reach a deep caramel color.
If your onions are browning too quickly, reduce the heat to prevent burning. You can also add a splash of water to the pan to help deglaze and keep them cooking slowly.
Yes, while the recipe calls for red onions, you can use yellow or sweet onions instead. Each type will yield a slightly different flavor, but they all caramelize well.
Allow the onions to cool completely before transferring them to an airtight container. They can be refrigerated for up to one week or frozen for longer storage.
If you don't have vinegar, you can use lemon juice as a substitute. It will provide a similar acidity to balance the sweetness of the caramelized onions.
Cooking Tips:
- Use a non-stick or heavy-bottomed pan to ensure even cooking and prevent burning.
- Slice the onions thinly for quicker caramelisation.
- Stir occasionally but not too frequently, allowing the onions time to brown.
- Adjust the heat as necessary to avoid burning, keeping it mostly medium-low.
Nutrition Facts
2 ServingsCalories 88kcal
Protein 1.51g
Carbohydrates 18g
Fiber 3.52g
Sugar 12g
Fat 14g
More recipes
Sweet and savory mozzarella grilled sandwich
Enjoy a sweet and savory mozzarella grilled sandwich in minutes.
05 May 2026Chocolate peanut butter protein power shake
A creamy chocolate peanut butter protein shake with banana.
05 May 2026Burritos with black beans, cheese and salsa sauce
Quick burritos with black beans, cheese, and salsa sauce.
05 May 2026Grilled turkey ham and swiss sandwich
Quick and tasty grilled turkey ham and Swiss cheese sandwich.
05 May 2026Sticky date and banana pudding
Delicious sticky date and banana pudding with toffee sauce.
05 May 2026