Caramelized Red Onion Chutney is a sweet-and-sour relish that elevates grilled cheese, complements a cheese board, and makes a thoughtful holiday gift. It’s a versatile condiment to keep on hand.
I also have an easy no-knead caramelized onion focaccia that pairs beautifully with this chutney—focaccia has never tasted better.
🧅 Why make this recipe
- Make it as a thoughtful homemade gift—it’s as good as my vegan caponata.
- It’s the perfect partner for grilled cheese.
- Add it to a cheese or charcuterie board; it pairs especially well with soft cheeses like brie.
- It stores well in the fridge and lasts even longer when canned.
- This version uses less sugar than many chutneys—only ⅔ cup of brown sugar.
This red onion chutney is vegan and gluten-free. It’s made from red onions, brown sugar, balsamic vinegar, red wine, and warm spices. The final result is thick, dark, and jam-like, balancing caramel sweetness with bright acidity.
This chutney is ideal for anyone who likes a touch of sweetness in savory dishes. The combination of red wine and balsamic vinegar adds the right tang to balance the caramelized onions.
🤷🏻♀️ What is a chutney
Put simply, a chutney is a savory jam. Key differences from fruit jam include:
- Chutneys use both vinegar and sugar for preservation; jams often rely mainly on sugar.
- Jams are usually fruit-based; chutneys may be fruity, vegetable-based, or a mix—this recipe uses only onions.
- Chutneys are typically seasoned with spices and sometimes chiles, while jam highlights the fruit’s flavor.
🧅 Ingredients and substitutions
Red onions. I prefer red onions for their peppery, slightly sharp flavor, but yellow, white, or sweet onions work well too.
Olive oil. Use extra virgin olive oil to caramelize the onions.
Bay leaves, black pepper, mustard seeds. Bay leaves and black pepper add depth; mustard seeds are optional but contribute a pleasant bite. Freshly ground black pepper is best.
Salt. Fine sea salt is recommended.
Brown sugar. Light or dark brown sugar both work; this recipe calls for a modest amount.
Balsamic vinegar. Balsamic gives richer, deeper acidity than plain red or white vinegar—avoid substituting those directly.
Red wine. Use a dry red wine. If you prefer not to cook with wine, substitute with ½ cup red wine vinegar plus ½ cup water.
🥣 How to make it
Caramelizing the onions is the most time-consuming step, but the process is straightforward.
Step 1. Peel and slice the onions into thin half-moons.
Step 2. In a large heavy-bottomed pan, heat the olive oil and add the sliced onions, bay leaves, ground black pepper and salt. Cook over low heat for 20–30 minutes, stirring occasionally, until the onions are soft and reduced.
Step 3. Add brown sugar, balsamic vinegar, red wine, and mustard seeds if using. Stir to combine.
Step 4. Simmer over low heat for about 1 hour, or until most of the liquid has reduced and the chutney is thick and dark caramel in color. Stir occasionally to prevent sticking.
When finished, spoon the chutney into sterilized jars and allow it to cool before sealing. Store in the refrigerator.
🧅 Expert tips
- If you prefer not to caramelize the onions first, add all ingredients to a heavy-bottomed pan and simmer on low for about 1 hour until jam-like—though pre-caramelizing develops better flavor.
- Use a heavy-bottomed pan or Dutch oven to avoid burning. If your pan is thinner, stir every 5 minutes while cooking.
- You can water-bath can this chutney if you know how; canned jars will store outside the fridge until opened.
🍴 What to eat with it
Serve warm or chilled. It’s delicious with grilled cheese, soups, pizzas, and especially with soft cheeses like brie or goat cheese.
Try it on a crusty poolish baguette or alongside a rich brioche—it’s also fantastic on burgers, especially paired with mushrooms and melted cheese.
❓ Questions you might have
Yes, this recipe is vegan.
No. Substitute ½ cup red wine vinegar plus ½ cup water for 1 cup red wine.
Not exactly. Marmalade is typically a bittersweet citrus preserve, while this is an onion-based chutney—sometimes labeled similarly but technically different.
🫙 Storing
The chutney can be eaten right away, but flavors deepen after a day. I recommend making at least two jars and saving one to rest for a week to develop more complex flavor.
Stored in the refrigerator, red onion chutney will keep for up to 6 months. If you can, water-bath canning lets you store unopened jars at room temperature.
🧅 More savory spreads and dips
Try recipes like Easy Caponata, blackberry jam without pectin, or a classic guacamole for more spreads and dips.
If you tried this Red Onion Chutney, please leave a star rating and share your thoughts in the comments below!
📖 Recipe
Caramelized Onion Chutney
Tatiana Kamakura
Ingredients
- 8 medium red onions
- 3 tablespoon olive oil
- 4 bay leaves
- 1 tablespoon ground black pepper
- 1 teaspoon salt
- ⅔ cup brown sugar (packed)
- ⅓ cup balsamic vinegar
- 1 cup red wine (or ½ cup red wine vinegar + ½ cup water)
- 1 tablespoon mustard seeds (optional)
Instructions
- Peel and slice the onions into thin half-moon slices.
- In a large heavy-bottomed pan, heat the olive oil and add the sliced onions, bay leaves, ground black pepper and salt.
- Cook over low heat for 20–30 minutes, stirring occasionally until the onions are soft, translucent, and reduced in size.
- Add brown sugar, balsamic vinegar, red wine (or vinegar/water substitute) and mustard seeds if using. Cook over low heat for about 1 hour, stirring occasionally, until the chutney is thick and dark caramel in color.
- Spoon into sterilized jars. Let cool before sealing. Store in the refrigerator or water-bath can for longer shelf life.
Notes
- Red onions can be swapped for yellow, white, or sweet onions.
- Light or dark brown sugar both work.
- To replace red wine: use ½ cup red wine vinegar + ½ cup water.