Ingredients
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2–3 large yellow onions, thinly sliced
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2 tablespoons olive oil, butter, or a mix
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A pinch of salt
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½ teaspoon sugar (optional)
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1 tablespoon balsamic or apple cider vinegar (optional)
Instructions
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Peel and slice onions evenly, about 1/8-inch thick.
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Heat a large skillet over medium-low heat and add oil, butter, or both.
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Add onions and salt, stir to coat in fat.
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Cook slowly, stirring every 5–10 minutes to prevent burning.
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After 20 minutes, optionally add sugar to enhance browning.
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Continue cooking 35–45 minutes until onions are deep golden and jammy.
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Add vinegar in the last 5 minutes for added depth, if desired.
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Let cool before storing or serving.
Notes
Use a mix of yellow and red onions for layered flavor. Caramelized onions freeze well—store in small portions for easy use in future meals.
- Prep Time: 5 minutes
- Cook Time: 45 minutes
- Category: Condiment
- Method: Stovetop
- Cuisine: French-Inspired