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Caramelized Onion Recipe


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  • Author: Olivia
  • Total Time: 55 minutes
  • Yield: 1 1/2 cups
  • Diet: Vegan

Description

Sweet, deeply golden, and richly flavorful, caramelized onions are a versatile kitchen staple that elevate burgers, pasta, soups, and more. Made with just a few simple ingredients and slow cooking, they develop a natural sweetness and silky texture.


Ingredients

  • 4 large yellow onions (about 2 pounds), thinly sliced
  • 3 tablespoons olive oil or unsalted butter
  • 1/2 teaspoon salt
  • 1/4 teaspoon freshly ground black pepper
  • 1 tablespoon water, as needed during cooking

Instructions

  1. Peel onions, cut in half from root to tip, and slice thinly into even strips.
  2. Heat a large heavy-bottomed skillet over medium heat and add olive oil or butter.
  3. Add sliced onions and stir to coat evenly.
  4. Season with salt and pepper, then reduce heat to medium-low.
  5. Cook slowly, stirring every 3–5 minutes. Onions will soften, release moisture, and gradually turn golden.
  6. Continue cooking 35–45 minutes until deeply golden brown and very soft.
  7. If onions stick, add 1 tablespoon water to deglaze and stir.
  8. Remove from heat once fully caramelized and cool slightly before serving or storing.

Notes

  • Low and slow cooking is key to proper caramelization.
  • A heavy-bottomed pan prevents burning and ensures even browning.
  • Avoid overcrowding the pan to prevent steaming.
  • Onions naturally sweeten; no sugar is required.
  • Stir occasionally but allow onions time to develop color between stirs.
  • Prep Time: 10 minutes
  • Cook Time: 45 minutes
  • Category: Condiment
  • Method: Stovetop
  • Cuisine: French

Nutrition

  • Serving Size: 2 tablespoons
  • Calories: 70 kcal
  • Sugar: 4 g
  • Sodium: 90 mg
  • Fat: 5 g
  • Saturated Fat: 0.7 g
  • Unsaturated Fat: 4 g
  • Trans Fat: 0 g
  • Carbohydrates: 6 g
  • Fiber: 1 g
  • Protein: 0.5 g
  • Cholesterol: 0 mg