Onion Confit Recipe

Onion Confit is a rich, buttery, and sweet-savory condiment made by slow-cooking onions with white wine and vinegar. Perfect as a spread for crusty bread, a topping for steaks and burgers, or as a flavorful addition to cheese boards, this recipe delivers restaurant-quality results with minimal effort.

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$5–$7 depending on onion type and wine used

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Prep Time 10

Cook Time 45

Total Time 55

Course Appetizer, Condiment, Side Dish

Cuisine French

Servings cups

Calories 360 kcal

Equipment

Heavy-Bottomed Saucepan – For slow-cooking the onions evenly.
Wooden Spoon or Spatula – To stir without damaging the onions.
Knife and Cutting Board: – For slicing the onions thinly.
Airtight Container: – To store the confit in the refrigerator.

Ingredients

3 oz butter unsalted
2 lbs Spanish onions halved lengthwise and thinly sliced
½ cup dry white wine
¼ cup white wine vinegar
kosher salt
black pepper freshly ground

Instructions

In a heavy bottomed saucepan, melt the butter over medium heat.
3 oz butter
Add onions and cover the pan.
2 lbs Spanish onions
Cook until soft, approximately 30 to 45 minutes, stirring occasionally.
Remove the lid and season the onions with salt and pepper.
kosher salt, black pepper
Add the wine, honey, and vinegar. Turn the heat to medium-high and cook until most of the liquid has evaporated.
½ cup dry white wine, ¼ cup white wine vinegar
Remove from the heat and let cool.
Chill before serving.

Notes

Yield: 2 cups

The confit will last for 3 weeks in a tightly closed container in the fridge.

Customizations:

Wine Substitute: Replace dry white wine with vegetable broth for a non-alcoholic version.
Extra Sweetness: Add 1 tablespoon of honey for a richer, sweeter flavor.
Acidity Adjustments: Use apple cider vinegar for a fruitier taste.

Storage Tips:

Store in an airtight container in the refrigerator for up to 3 weeks.
Freeze in small portions for up to 3 months.

Serving Tips:

Serve warm or chilled as a spread on toasted baguette slices.
Pair with roasted meats, grilled vegetables, or soft cheeses for added depth.

Nutrition

Calories: 360kcalCarbohydrates: 2gProtein: 0.4gFat: 34gSaturated Fat: 22gPolyunsaturated Fat: 1gMonounsaturated Fat: 9gTrans Fat: 1gCholesterol: 91mgSodium: 279mgPotassium: 64mgSugar: 1gVitamin A: 1063IUVitamin C: 0.1mgCalcium: 17mgIron: 0.3mg

Keyword French Condiments, Gourmet Onion Spread, Onion Confit, onions, side dish, Steak with caramelized onions, vegetarian

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