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Sweet Balsamic Onion Relish, great for sandwiches and appetizers

Sweet Balsamic Onion Relish Recipe

Our Sweet 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.
Course Appetizer
Cuisine American
Keyword caramlized onions, onion spread
Prep Time 10 minutes
Cook Time 1 hour 20 minutes
Total Time 1 hour 30 minutes
Servings 12
Calories 48kcal
Author Courtney


  • 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


  • 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.


Calories: 48kcal | Carbohydrates: 10g | Sodium: 3mg | Potassium: 65mg | Sugar: 8g | Vitamin C: 2.7mg | Calcium: 11mg | Iron: 0.2mg