Sweet Balsamic Onion Relish Recipe (2024)

BY: Courtney PUBLISHED: 13 Comments UPDATED ON:

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OurSweet Balsamic Onion Relish Recipe is so good that you might even eat it plain. We love putting it on our piling it on our burgers, topping it on our eggs, piling it high on grilled mushrooms or even on some toast with cheese.

The best part of all it’s quick and easy to make. There’s no muss and no fuss. Just slice up your onions and let it cook for the most part.

If you don’t want them sliced you can also dice up your onions. Dicing them up makes this sweet balsamic onion relish recipe even easier to use as a topping for small bites!

Onions are one of our favorite root vegetables and we go through them often. In our house we eat about one to two onions a day. We love them grilled, sautéed, caramelized or even raw in a salad or sandwich.

For a great burger recipe using our caramelized onions visit Courtney’s Sweets and try theAvocado Bacon Burger with Sweet Balsamic Onion Relish. It has an entire avocado on it! This burger recipe is insanely delicious!

Sweet Balsamic Onion Relish Recipe (2)

Sweet Balsamic Onion Relish Recipe

Author: Courtney

OurSweet Balsamic Onion Relish Recipe is so good that you might even eat it plain. We love putting it on our piling it on our burgers, topping it on our eggs, piling it high on grilled mushrooms or even on some toast with cheese.

5 from 6 votes

(click stars to vote)

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Prep Time: 10 minutes minutes

Cook Time: 1 hour hour 20 minutes minutes

Total Time: 1 hour hour 30 minutes minutes

Servings: 12

Calories: 48kcal

Course: Appetizer

Cuisine: American

Keyword: caramlized onions, onion spread

Ingredients

  • 4 Yellow Onions about 3 1/2 Cups
  • 1 Teaspoon Coconut Oil or Olive Oil
  • 1/3 Cup Sugar or more depending on how sweet you like it
  • 1/2 Cup Balsamic Vinegar

Instructions

  • Slice or chop onions and place into a skillet with the coconut oil.

  • Cook onions on medium heat until soft for about 15-20 minutes.

  • Once the onions are cooked add in the sugar and vinegar.

  • Cook the onions on medium-low for about an hour, just until onions are cooked down and balsamic vinegar is reduced

  • Strain the onions and put into a small mason jar, discard vinegar.

  • Optional, cook until vinegar slightly thickens for a thicker relish. (not to thick or it will chill into one big blob)

  • Store up to one week in the refrigerator.

Nutrition

Nutrition Facts

Sweet Balsamic Onion Relish Recipe

Amount per Serving

Calories

48

% Daily Value*

Sodium

3

mg

%

Potassium

65

mg

2

%

Carbohydrates

10

g

3

%

Sugar

8

g

9

%

Calcium

11

mg

1

%

Iron

0.2

mg

1

%

* Percent Daily Values are based on a 2000 calorie diet.

full nutrition disclaimer

The nutritional information is automatically calculated and can vary based ingredients and products used. If the nutrition numbers are important for you we recommend calculating them yourself.

Did you make this recipe?Tag us on social media using @knowyourproduce and or use #knowyourproduce!

You can cook the vinegar until it’s reduced and the sauce becomes thick or you can simply drain and then have just the onions without the thick sauce.

Sweet Balsamic Onion Relish Recipe (3)

I’ll be using this relish for the rest of the week. It’s great to make a batch and just have in your refrigerator for whenever you’d like to use it. Make a simple and easy dinner even more delicious with ourOurSweet Balsamic Onion Relish Recipe! It’s so good that you’ll most likely be making it weekly, sorry in advance! 😉

If you enjoyed this recipe,be sure tocheck out all of our other favoriterecipesand posts onPinterest!

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Sweet Balsamic Onion Relish Recipe (12)

About Courtney

Fruit and Veggie lover. I love making produce fun and delicious, not to mention taking tons of pictures in the process! :-)

Reader Interactions

Comments

  1. Sweet Balsamic Onion Relish Recipe (13)rebecca orr

    This looks like a delicious topping to a hot off the grill burger! Definitely going to be making this to take to some family reunions this month.

    Reply

  2. Sweet Balsamic Onion Relish Recipe (14)Heidi

    Can this recipe be processed to use later on?

    Reply

    • Sweet Balsamic Onion Relish Recipe (15)Courtney

      We save in the fridge for a week without any issue. 🙂

      Reply

  3. Sweet Balsamic Onion Relish Recipe (16)maggie

    I canned mine for I made a double batch. Yum @#** Yum. Delicious!
    This will be a staple in our house.

    Reply

    • Sweet Balsamic Onion Relish Recipe (17)Courtney

      Ahh, that’s great to hear, glad you enjoyed! 😀

      Reply

    • Sweet Balsamic Onion Relish Recipe (18)Sherry Dugdale

      I would like to can these as well, How long did you process I them in the canner? They look so delicious!

      Reply

      • Sweet Balsamic Onion Relish Recipe (19)Courtney

        We store this in the refrigerator. I’m paranoid about canning and botulism, haha

    • Sweet Balsamic Onion Relish Recipe (20)Liz

      How long did it last on the shelf? Did u hot bath it?

      Reply

      • Sweet Balsamic Onion Relish Recipe (21)Courtney

        We store this in the refrigerator for up to one week. 🙂

  4. Sweet Balsamic Onion Relish Recipe (22)Lisa Angerame

    just stumbled onto this recipe. looks amazing. i can’t wait to try it! i’m going to use coconut sugar…and honestly i keep things in jars, without canning, for a lot longer than most people and i usually don’t have a problem!

    Reply

    • Sweet Balsamic Onion Relish Recipe (23)Courtney

      Yum!! Let us know how it goes! 🙂

      Reply

  5. Sweet Balsamic Onion Relish Recipe (24)Liss

    Hi,
    I’m a little confused, do you put the liquid into the jar or do you strain the onions and only put the onions in the jar?
    Thanks 🙏

    Reply

    • Sweet Balsamic Onion Relish Recipe (25)Courtney

      We reduce the liquid and it becomes a bit thicker and coats the onions. We always store it in the liquid that’s created when making.:)

      Reply

Leave a Reply

Sweet Balsamic Onion Relish Recipe (2024)

FAQs

What is onion relish made of? ›

Slowly cook the onions with a pinch of salt, in butter and oil until coloured and soft. Add the sugar and vinegar and continue to cook on a slow heat until sticky and reduced. Allow to cool and serve.

How long can you keep onion jam in the fridge? ›

How to Store Homemade Onion Jam. Once the onion jam is cooked, transfer to a glass jar or plastic container, and store in the refrigerator. The onion jam will keep refrigerated for up to two weeks, or in the freezer in ice cube trays.

What is onion jam made of? ›

Saute onion in hot oil until soft and caramelized, 10 to 12 minutes. Add water, balsamic vinegar, and brown sugar; stir until sugar is dissolved and mixture is simmering. Reduce heat to low and cook until mixture thickens and reaches desired consistency, about 30 minutes.

How do you preserve caramelized onions? ›

The thing about cooking so many onions, though, is that you probably won't need that many at one time. So there's an essential second move whenever you're making caramelized onions: Freeze them. Stashed in an ice cube tray, caramelized onions will keep indefinitely in the freezer.

Is onion chutney the same as onion relish? ›

Relish is a flavouring, usually sweet and sour, which consists of finely chopped vegetables or fruit, vinegar and sugar. Whereas chutney is more sweet and fruity, relish usually contains cucumber, courgette, tomato, rhubarb or onion, and the pieces of fruit or vegetables are somewhat coarser and crunchier.

What's the difference between onion relish and chutney? ›

In general, chutneys have a chunky spreadable consistency much like a preserve and are usually made with fruit. On the other hand, relishes are hardly cooked, use little or no sugar, are more crunchy to the bite, and use vegetables.

What is the difference between onion jam and onion marmalade? ›

Marmalades usually have a bittersweet taste. We can also make vegetable jam, for example with onions or tomatoes. The only difference with marmalade is that jam is a bit sweeter. In both cases, we end up with a spreadable vegetable purée.

Why is my onion jam runny? ›

If the onion jam is too runny: This may be the case if you've reduced or substituted the sugar. You could add some cornstarch slurry or pectin if preferred. For more flavor: For a more “caramelized onion” jam, I recommend fully caramelizing the onions before adding the herbs and sugar and continuing with the recipe.

Does onion jam go bad? ›

However, opened cans of onion jams should be refrigerated and would be good for three to six months, but not for a year since onion jams can spoil easily.

What is chopped celery and onion called? ›

Mirepoix (pronunciation: meer-PWAH) is the aromatic flavor base made by lightly cooking onions, celery, and carrots. The vegetables are cooked slowly in butter or oil in order to coax out the flavors without browning or caramelizing them.

What is chopped onions carrots and celery called? ›

The French flavor base called mirepoix is a combination of onion, carrot and celery generally cut to the same size. It's used in a ratio that's 2 parts onion to 1 part celery and carrot. Saute in Butter. Mirepoix is the start of many French dishes, such as coq au vin and lamb stew.

Why do you put vinegar in jam? ›

Affect on Gel Formation: Both lemon juice and vinegar can help with the gel formation in strawberry jam. The acidity in these ingredients helps activate pectin, a natural thickening agent present in strawberries, leading to the desired texture and consistency in the jam.

Why add vinegar to caramelize onions? ›

I usually stick with balsamic vinegar because the flavor complements the onions perfectly. Not only will deglazing pull up tasty sticky bits, it will add even more flavor to your caramelized onions. Continue stirring the onions until they have reached the color you like.

Can you put too much butter in caramelized onions? ›

You definitely want the flavor of butter in your onions—but butter has the tendency to burn. For insurance, use a combination of butter and oil, which has a higher smoking point. But how much do you use? Depending on the consistency you want your onions, you can use more or less fat.

What kind of onion is best to caramelize? ›

You can caramelize any kind of onion, but yellow or Spanish onions tend to offer the most balanced-sweet-savory flavor profile and are the most versatile for different dishes. Sweet onions, such as Vidalia or Walla Walla work too, but keep in mind that their flavor will become even sweeter once caramelized.

What is traditional relish made from? ›

A relish is a cooked and pickled culinary dish made of chopped vegetables, fruits or herbs and is a food item typically used as a condiment to enhance a staple. Examples are chutneys and the North American relish, a pickled cucumber jam eaten with hot dogs.

Is relish just chopped pickles? ›

In the United States, the most common relish is made from chopped pickled cucumbers, either dill or sweet pickles. It's used as a topping on sandwiches, burgers and hot dogs. But in other parts of the world, popular relishes are made with other ingredients.

What is homemade relish made of? ›

That's especially the case when they are as easy and delicious as pickle relish. At its simplest, this jam-like condiment is made from cucumbers, onion, vinegar, sugar, and salt. For a bit more oomph, add in fresh dill and some spices — turmeric (which also helps with color), mustard seeds, and red pepper flakes.

What is relish sauce made of? ›

Diced onion and celery seeds – For savory flavor. Apple cider vinegar – It gives the relish its signature tang. Cane sugar – It adds sweetness, balancing the punch of the apple cider vinegar. Mustard seeds – They make the relish deliciously sour.

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