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Caramelized Onions

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Ingredients
  

  • 4 large onions (yellow or sweet), thinly sliced
  • 2 tbsp unsalted butter
  • 2 tbsp olive oil
  • 1 tsp granulated sugar (optional, for enhanced caramelization)
  • Salt and black pepper to taste
  • 1/4 cup balsamic vinegar (optional, for added depth of flavor)

Instructions
 

  • Peel the onions and cut them in half from top to bottom. Thinly slice each half into half-moons, creating delicate ribbons of onion.
  • In a large, heavy-bottomed skillet or pan, heat the butter and olive oil over medium heat until the butter is melted and the oil is shimmering.
  • Add the thinly sliced onions to the pan. Stir well to coat the onions evenly with the melted butter and olive oil. Spread them out into an even layer.
  • Reduce the heat to low or medium-low. Cooking the onions slowly over low heat allows them to caramelize without burning. This process takes time, but the results are worth it.
  • Stir the onions occasionally to ensure even caramelization. As they cook, they will start to soften and turn a golden color.

  • Sprinkle a teaspoon of sugar over the onions if you want to enhance the caramelization. This step is optional but can add a slightly sweeter and richer flavor to the onions.
  • Season the onions with salt and black pepper to taste. The salt helps draw out moisture from the onions, aiding in the caramelization process.
  • Continue cooking the onions over low heat, stirring occasionally, until they reach a deep golden brown color. This can take anywhere from 30 to 60 minutes, depending on your heat level.
  • For an extra layer of flavor, add balsamic vinegar to the caramelized onions during the last 10 minutes of cooking. Stir well to incorporate.
  • Taste the caramelized onions and adjust the seasoning if necessary. You can add a pinch more salt or a drizzle of balsamic vinegar for acidity.
  • Once the onions are beautifully caramelized and rich in color and flavor, remove them from the heat. Serve them hot as a topping for burgers, pizzas, sandwiches, or alongside grilled meats and vegetables.
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