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4.9 from 39 votes

Caramelized Onion Recipe

Sweet, sticky and golden hued caramelized onions are perfect on sandwiches side and more. Learn how to caramelize onions here! 

Prep Time
5 mins
Cook Time
5 mins
Total Time
50 mins
Servings: 1 1/2 cups
Calories: 348 kcal
Course: Condiments
Cuisine: American

Ingredients

  • 3 large onions thinly and uniformly sliced, ends removed
  • 2 tablespoons unsalted butter
  • 1 teaspoon sugar
  • 1/2 teaspoon salt
  • Splash of white wine only if the pan requires de-glazing

Instructions

    Cup of Yum
  1. Melt the butter in large frying pan over medium-low heat. Remember, slow and steady wins this race.
  2. Add the onions, salt and sugar, toss to coat lightly in melted butter. Now you wait. Continue the heat at medium-low, toss every 5-10 minutes. If nothing is happens, increase heat slightly. If they are cooking too fast, reduce heat.
  3. The onions will start to reduce. They are made mostly of water and as the water releases and evaporates, the onions will start to deflate and reduce in size. At around 20 minutes in you will get your first hint of the "caramel" color you are seeking.
  4. At 45 minutes you will have a nice brown batch of onions. Depending on your taste buds and how you intend to use them, you can stop at any point in time. Do a taste test first to make sure they are nice and sweet.
  5. If you've tried this recipe, come back and let us know how it was in the comments or star ratings.

Notes

  • Caramelized onions are great for freezing, so make a double, triple or quadruple batch! 

Nutrition Information

Calories 348kcal (17%) Carbohydrates 34g (11%) Protein 3g (6%) Fat 23g (35%) Saturated Fat 14g (70%) Cholesterol 60mg (20%) Sodium 1179mg (49%) Potassium 481mg (14%) Fiber 5g (20%) Sugar 18g (36%) Vitamin A 700IU (14%) Vitamin C 24.4mg (27%) Calcium 76mg (8%) Iron 0.7mg (4%)

Nutrition Facts

Serving: 11/2 cups

Amount Per Serving

Calories 348

% Daily Value*

Calories 348kcal 17%
Carbohydrates 34g 11%
Protein 3g 6%
Fat 23g 35%
Saturated Fat 14g 70%
Cholesterol 60mg 20%
Sodium 1179mg 49%
Potassium 481mg 10%
Fiber 5g 20%
Sugar 18g 36%
Vitamin A 700IU 14%
Vitamin C 24.4mg 27%
Calcium 76mg 8%
Iron 0.7mg 4%

* Percent Daily Values are based on a 2,000 calorie diet.