Easy Stewed Onions with White Wine and Fresh Basil

These Stewed Onions with White Wine and Basil are a simple yet flavorful side dish that pairs beautifully with meat, fish, or vegetarian mains. Slowly simmered until tender, the onions develop a natural sweetness that’s enhanced by aromatic basil and the bright acidity of white wine. This easy, rustic recipe is perfect for turning humble onions into a gourmet-style accompaniment.

What Are Stewed Onions?

Stewed onions are a classic preparation in Mediterranean and Italian home cooking, where onions are gently sautéed and then simmered with liquid until tender and sweet. In this version, white wine and basil give the dish a fragrant, slightly tangy finish, making it versatile enough to complement a wide range of meals.

Why Everyone Will Love This Recipe

• Minimal ingredients, maximum flavor.
• Naturally vegan and gluten-free.
• Works as a side dish or as a topping for bruschetta, pasta, or grains.
• Slow-cooked for a soft, melt-in-your-mouth texture.
• Ready in just 30 minutes of cooking time.

Cooking Tips

1. Slice onions evenly so they cook at the same rate.
2. Use dry white wine for the best flavor balance—avoid overly sweet wines.
3. Cook uncovered for the last few minutes if you want the sauce to reduce slightly.
4. Swap basil for thyme or rosemary for a different aromatic note.
5. For extra richness, stir in a knob of butter before serving.

Frequently Asked Questions

Can I Use Red or Yellow Onions?

Yes! Red onions will give a slightly sweeter and more colorful dish, while yellow onions offer a classic flavor.

Do I Have to Use Wine?

You can substitute with vegetable or chicken broth for a non-alcoholic version.

Can I Make This Ahead?

Yes—reheat gently over low heat, adding a splash of water or wine if needed.

What Can I Serve with Stewed Onions?

They’re delicious with grilled meats, roasted fish, veggie patties, or simply spooned over toasted bread.

Can I Add Other Vegetables?

Absolutely—bell peppers, tomatoes, or zucchini make great additions.

How to Freeze

Freezing is possible but may slightly change the texture. Freeze in small portions for up to 1 month, then thaw and reheat on the stovetop.

How to Store

Store cooled stewed onions in an airtight container in the refrigerator for up to 3 days. Reheat gently before serving.

How To Make Stewed Onions

Step 1

Step 1

Prep the Onions:
Peel and slice the onions thinly with a sharp knife.

Prep the Onions:
Peel and slice the onions thinly with a sharp knife.

Sauté:
Heat olive oil in a large pan over medium heat. Add the onions and cook for a few minutes, stirring occasionally.

Season and Soften:
Add salt, pepper, and basil leaves. Continue cooking until the onions begin to soften.

Step 2

Step 2

Sauté:
Heat olive oil in a large pan over medium heat. Add the onions and cook for a few minutes, stirring occasionally.

Deglaze and Simmer:
Pour in the white wine, cover with a lid, and simmer gently for 30 minutes, stirring occasionally.

Serve:
Remove from heat and transfer to a serving dish. Serve warm.