How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Five-Onion Confit?

You need 11 ingredients. The key ingredients include: 2 tablespoons extra-virgin olive oil, 1 medium red onion, thinly sliced, 1 medium white onion, thinly sliced, 1 medium yellow onion, thinly sliced, and more.

Is Five-Onion Confit suitable as general?

Yes, Five-Onion Confit falls under the General category and is a great choice for this type of meal.

How do I store leftover Five-Onion Confit?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Five-Onion Confit Recipe

Name: Five-Onion Confit
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 tablespoons extra-virgin olive oil; 1 medium red onion, thinly sliced; 1 medium white onion, thinly sliced; 1 medium yellow onion, thinly sliced; 3 shallots, thinly sliced; 1 large leek, chopped (see Note); 5 garlic cloves, chopped; 1 tablespoon balsamic vinegar; 3/4 teaspoon kosher salt; 1/4 teaspoon freshly ground black pepper; 1 teaspoon sugar

Try this homemade Five-Onion Confit recipe the whole family will love. Made with extra-virgin olive oil, red onion, white onion and yellow onion. Easy s…

This Five-Onion Confit relies on simple, everyday ingredients such as extra-virgin olive oil, shallots, thinly sliced, garlic cloves, chopped and balsamic vinegar. It comes together quickly and makes 4 servings, at about 282 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 General

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Brown sugar instead of white sugar adds a deeper, more caramel-like flavor.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Five-Onion Confit

Tips for the best results

Variations & substitutions

My Personal Notes

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