Sweet Onion Sauce like Subway Sandwich

One of my readers asked me if I could make the Sweet Onion Sauce that is sold on one of the sandwiches at Subway.

I have to tell you, I have never tasted it before so I did a Google search and found a copycat recipe at Food.com

I tweaked it up because it called for 1 cup of sugar.  YIKES.

My version of Sweet Onion Sauce is so tasty that I don’t care if it tastes like Subway’s or not.

Sweet Onion Sauce Recipe

Sweet Onion Sauce Recipe

Sweet Onion Sauce like Subway Sandwich
 
Author: 
Recipe type: Sauce
Prep time: 
Cook time: 
Total time: 
Ingredients
  • ⅔ cup granulated sugar
  • 1 cup water
  • 6 tablespoons white vinegar
  • 1½ tablespoons red wine vinegar
  • 1 tablespoon arrowroot
  • 1 tablespoon minced onion flakes
  • 2½ teaspoons Honey Dijon mustard
  • 2½ teaspoons mustard powder
  • 1 teaspoon celery salt
  • 1 teaspoon fresh onion, finely minced (I used a mircoplane)
  • 1 teaspoon poppy seed
  • ½ teaspoon salt
  • 1 teaspoon sweet smokey paprika
  • ¼ teaspoon black pepper
  • ⅛ teaspoon chili sesame oil (hot chili oil)
Directions
  1. n a medium-sized sauce pan, whisk all the ingredients listed above.
  2. Place on the stove set to medium-high heat. Whisk continuously until it comes to a boil.
  3. Reduce heat to a simmer for 5 minutes.
  4. Remove from heat.
  5. Let it cool then you can jar it and refrigerate.
Marlene Says
2 PP for Two Tablespoons

I served this sweet onion sauce on top of my sirloin burger.  It can be used on just about any sandwich that you usually use mustard and/or mayo.

Sweet Onion Sauce Recipe

It does have a lot of ingredients, but took only minutes to make.

Oh an my new-found ingredient that I love is Arrowroot, which as I mentioned in a previous post is a great thickener.

I sure hope you enjoy your weekend and thanks for stopping by.

Marlene

 

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Comments

Sweet Onion Sauce like Subway Sandwich — 18 Comments

      • Hi Marlene
        I just made this sauce with corn starch as recommended.
        I couldn’t aquire the poppy seeds and red wine vinegar so I replaced them with lightly toasted sesame seeds and apple cider vinegar respectively.

        Followed the rest of the ingredients and instructions to the letter and Oohlala! Delicious Sweet Onion Sauce!

        Indeed I find it tastier than Subway’s.

        This will go well with my next CheeseSteak sandwich project.

        Thanks Marlene! :)

  1. has anyone tried this without the hot chili oil? i really don’t like spice and was wondering if i could substitute for a different oil.

    • Hi Bev: I bet you can add grapeseed oil or just omit the oil completely. The other thought is the chili oil is not that hot but I would hate to have you buy it just to make this recipe. Let me know how it goes if you decide to substitute.

      • Well so far I haven’t gotten around to do this yet but I forgot to ask if it should be done in a pressure canner or water bath. Thanks. Oh one more question is it possible to can everything? Like if I made batches of meals with or with out meat, sauces ect… Like can you can anything and everything???

        Bobbie

  2. I would recommend the water bath. Now as to weather anything can be canned, I am totally not prepared to answer that question. But there are lots of website that can help you out with that. Such as Freshpreserving.com

I love hearing from my readers!