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Subway Sweet Onion Sauce Recipe

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  • Prep Time: 5 minutes
  • Cook Time: 10 minutes
  • Total Time: 15 minutes
  • Yield: Approximately 1 1/2 cups 1x
  • Category: Condiment
  • Method: Stovetop
  • Cuisine: American
  • Diet: Vegetarian

Description

This Subway-inspired sweet onion sauce is perfect for drizzling on your sandwiches, wraps, or salads! Packed with the perfect balance of sweet and tangy flavors, it’s a must-try for any Subway fan.


Ingredients

Scale
  1. 1 cup sugar
  2. 1/2 cup water
  3. 6 tablespoons white vinegar
  4. 1 1/2 tablespoons red wine vinegar
  5. 1/2 tablespoon finely minced onion
  6. 1 tablespoon cornstarch
  7. 2 teaspoons Dijon mustard
  8. 2 teaspoons mustard powder
  9. 1 teaspoon poppy seeds
  10. 1/2 teaspoon sesame oil
  11. 1/2 teaspoon onion powder
  12. 1/2 teaspoon salt
  13. 1/4 teaspoon garlic powder
  14. 1/4 teaspoon celery seed
  15. 1/4 teaspoon paprika
  16. 1/4 teaspoon black pepper

Instructions

  • Add all the ingredients to a saucepan and whisk thoroughly to combine.
  • Bring the mixture to a boil, whisking constantly to prevent clumping.
  • Let it boil for 5 minutes, then reduce the heat to a simmer. Continue whisking as it simmers for an additional 5 minutes.
  • Once the sauce thickens, remove it from heat and let it cool completely.
  • Transfer the sauce to an airtight container and store it in the refrigerator for up to one week.

Notes

  • This sauce can be made ahead of time and stored in the fridge for up to a week.
  • Adjust the sweetness or tanginess by modifying the sugar or vinegar to your preference.

Nutrition

  • Serving Size: 1 tablespoon
  • Calories: 50
  • Sugar: 12g
  • Sodium: 30mg
  • Fat: 0g
  • Saturated Fat: 0g
  • Unsaturated Fat: 0g
  • Trans Fat: 0g
  • Carbohydrates: 13g
  • Fiber: 0g
  • Protein: 0g
  • Cholesterol: 0mg