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A mason jar holds onion confit with sprigs of thyme on top. There's more herbs around it, and a bowl of olive oil and onions behind it.

Onion Confit

This onion confit is easy to make and creates an indulgent condiment you can use on bagels, pizzas, veggie burgers, and more!
Course Seasoning
Cuisine American
Prep Time 10 minutes
Cook Time 40 minutes
Resting time 15 minutes
Total Time 40 minutes
Servings 30
Calories 44kcal


  • 3 medium onions peeled
  • 6 tablespoons olive oil
  • 2 teaspoons brown sugar
  • 1 bay leaf
  • salt and pepper to taste


  • Peel the onions. Instructions on thinly slicing.
  • Add olive oil to a skillet and over medium-low heat. Add onions and stir them until coated with oil. Cook until tender and translucent, 15 to 20 minutes.
  • Stir in the sugar until it's dissolved. Add the bay leaf. Continue cooking, string occasionally, over low heat until the onions are caramelized, 10 to 15 minutes.
  • Store the confit in the fridge in its oil. It will keep up to 1 month if stored properly. Add this onion jam to your favorite dishes, and you won’t have to worry about storing it because it will be gone much sooner than that.


Calories: 44kcal | Carbohydrates: 5g | Protein: 1g | Fat: 3g | Saturated Fat: 1g | Sodium: 2mg | Potassium: 66mg | Fiber: 1g | Sugar: 2g | Vitamin C: 3mg | Calcium: 10mg | Iron: 1mg