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 — 20 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

  3. Hey Marlene what’s substitute for celery salt ?? I love onion sauce will make soon !! Do any supermarket sells ?? If in any emergency ??

I love hearing from my readers!