How to Make Subway Sweet Onion Sauce

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Subway Sweet Onion Sauce

Subway Sweet Onion Sauce

Discover how to make your own Subway Sweet Onion Sauce at home! This easy recipe combines creamy mayonnaise with tangy apple cider vinegar and sweet onions to create a delicious, versatile sauce perfect for sandwiches, salads, and wraps. Elevate your meals with this flavorful condiment that captures the essence of the iconic Subway flavor in every bite!

  • Total Time: 10 minutes
  • Yield: 1 1x

Ingredients

Scale
  • 1 cup mayonnaise
  • 1/4 cup apple cider vinegar
  • 1/4 cup granulated sugar
  • 1/4 cup finely chopped onion
  • 1 tsp Dijon mustard
  • 1/2 tsp garlic powder
  • 1/4 tsp salt
  • 1/4 tsp black pepper
  • 1/4 tsp celery seed (optional)

Instructions

  1. In a medium mixing bowl, combine the mayonnaise, apple cider vinegar, and granulated sugar. Whisk until smooth.
  2. Add the finely chopped onion, Dijon mustard, garlic powder, salt, black pepper, and celery seed (if using). Mix well until all ingredients are fully incorporated.
  3. Taste and adjust seasoning if necessary, adding more sugar for sweetness or vinegar for tanginess.
  4. Transfer the sauce to an airtight container and refrigerate for at least 30 minutes to allow the flavors to meld.
  5. Serve on your favorite sandwiches or salads.

Notes

  • Additional Tips: For a healthier version, you can substitute the mayonnaise with Greek yogurt or a vegan mayo alternative.
  • Storage: Store the sauce in an airtight container in the refrigerator for up to 2 weeks.
  • Serving Suggestions: This sauce pairs wonderfully with turkey, chicken, or veggie sandwiches, and can also be drizzled over salads for added flavor.
  • Author: Sara
  • Prep Time: 10
  • Category: Condiment
  • Cuisine: American

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