Go Back
–+ servings
Print
Stirring the sweet onion sauce recipe.

Sweet Onion Sauce Recipe

This easy copycat recipe recreates Subway's craveworthy Sweet Onion sauce at home with ingredients you likely have on hand! Simmer onions, sugar and spices into the perfect tangy and sweet dipping sauce for sandwiches, chicken tenders or veggie dipping in just 10 minutes.

Course Side Dish
Cuisine American
Keyword Sweet Onion Sauce
Prep Time 5 minutes
Cook Time 5 minutes
Total Time 10 minutes
Servings 4 servings
Calories 222 kcal
Creator Merissa

Ingredients

  • 1 cup sugar
  • 1/2 cup water
  • 6 tablespoons white vinegar
  • 1 tablespoon balsamic vinegar
  • 1 1/2 tablespoon onion freshly grated
  • 2 cloves garlic grated
  • 1 tablespoon cornstarch
  • 1 teaspoon mustard
  • 1 teaspoon poppy seeds
  • 1/2 teaspoon sesame oil
  • 1.2 teaspoon salt
  • 1/4 teaspoon garlic granules
  • 1/4 teaspoon celery seed
  • 1/4 teaspoon black pepper

Instructions

  1. Add all the ingredients into a pot and bring to a boil, whisking constantly.
  2. Let it simmer for 7-10 minutes – until the sauce looks glossier. After the sauce thickens, remove from heat and allow to cool.

  3. Store in an airtight glass jar in the refrigerator for up to 1 week.

Nutrition Facts
Sweet Onion Sauce Recipe
Amount Per Serving
Calories 222 Calories from Fat 9
% Daily Value*
Fat 1g2%
Saturated Fat 0.1g1%
Polyunsaturated Fat 0.4g
Monounsaturated Fat 0.3g
Sodium 716mg31%
Potassium 31mg1%
Carbohydrates 54g18%
Fiber 0.4g2%
Sugar 51g57%
Protein 0.4g1%
Vitamin A 2IU0%
Vitamin C 1mg1%
Calcium 22mg2%
Iron 0.3mg2%
* Percent Daily Values are based on a 2000 calorie diet.