The Best Subway Sweet Onion Sauce Recipes That You Should Know

The sauce is mostly used with sandwiches or salads. It has a tangy and sweet flavor that perfectly balanced. The Subway Sweet Onion Sauce can be a good alternative to the mayonnaise. This can give a nice taste to the sandwiches. It can be made using a stove or microwave. It can be used on salad dressing, chicken or fish. Most of us don’t want to know how to make it easily. You can try any of the following sauces.

The following are some of the easiest ways that you can use to make the Subway Sweet Onion Sauce:


Subway Sweet Onion Sauce


The required ingredients:

  • A cup and 2 tablespoons of sugar, granulated.
  • 1 ½ tablespoons of red wine vinegar.
  • ​½ and a teaspoon of cold water.
  • ​A teaspoon of arrowroot.
  • ​6 tablespoons of white vinegar.
  • ¾ teaspoon of celery salt.
  • ​½ teaspoon of onion salt.
  • A tablespoon of onion, minced.
  • 2 ½ teaspoon mustard powder.
  • 2 ½ teaspoon of Dijon mustard.
  • ​¾ teaspoon of onion juice, fresh.
  • ¾ teaspoon of poppy seed.
  • ​2 drops of sesame oil.
  • ¼ teaspoon of black pepper.
  • ¼ and 1/8 teaspoon of paprika.
  • ¼ and 1/8 teaspoon of garlic salt.

Mix the sugar, cold water, the white vinegar, red wine vinegar, onion flakes, the arrow powder, Dijon mustard, celery salt, mustard powder, onion juice, onion salt, poppy seeds, garlic salt, black pepper, paprika, and the sesame oil.

As you mix the ingredients, put them to boiling as you whisk constantly.

Lower the heat and simmer, continue to stir until the mixture is flavorful and thick. This should take about 5 minutes.

Allow the sauce cool. Keep it in the fridge in a container that is sealed.

Serve this with salad dressing and sandwiches. Enjoy!

2. Sweet Onion Sauce

This sauce makes the sandwiches to be unique. Try this and you will like it.

The required ingredients:

  • ½ Cup of corn syrup.
  • A teaspoon of balsamic vinegar.
  • ​A teaspoon of red wine vinegar.
  • ​A teaspoon of sugar, brown.
  • A teaspoon of minced onion, white.
  • 2 teaspoons white vinegar.
  • A teaspoon of buttermilk powder.
  • ¼ teaspoon of lemon juice.
  • ​1/8 teaspoon of salt.
  • ​A pinch of garlic powder.
  • A pinch of cracked black pepper.
  • 1/8 teaspoon of poppy seeds.

Mix all the ingredients in a bowl that you can place in the microwave.

Place the bowl in the microwave and heat for about 2 minutes. The mixture should boil rapidly.

Whisk the mixture well and cool.

The required ingredients:

  • A cup of water.
  • A tablespoon of an arrowroot.
  • ​2/3 cup of sugar, granulated.
  • ​A tablespoon of onion flakes, minced.
  • 6 tablespoons of white vinegar.
  • 2 ½ teaspoons of honey Dijon mustard.
  • 1 ½ teaspoons of red wine vinegar.
  • ½ teaspoon of salt.
  • A teaspoon of fresh onion.
  • ​A teaspoon of sweet paprika.
  • ​1/8 teaspoon of sesame oil.
  • A teaspoon of celery salt.
  • ​A teaspoon of poppy seeds.
  • ​2 ½ teaspoons of mustard powder.
  • ¼ teaspoon of black pepper.

Mix all the ingredients in a saucepan.

Place it over a stove with medium high heat. Continue to whisk until the mixture boils.

Lower the heat and simmer for about 5 minutes

Take it from the heat and let it cool.

Refrigerate the sauce before you use it.

4. Tangy Sweet Onion Sauce

The required ingredients:

  • A teaspoon of white vinegar.
  • A teaspoon of sugar, brown.
  • ​A teaspoon of balsamic vinegar.
  • ​½ cup of corn syrup.
  • A teaspoon of minced onion.
  • A teaspoon of buttermilk pancake powder.
  • Garlic powder.
  • Salt
  • ​Poppy seeds.
  • ​½ teaspoon of lemon juice.
  • Black pepper, freshly ground

Mix all the ingredients in the saucepan. Boil the mixture over medium heat.

Add salt, a pinch of garlic powder, pepper, and a pinch of poppy seeds.

Heat the mixture for few minutes. Simmer for about a minute as you whisk thoroughly.

Let the sauce cool and then keep it in the fridge for about 12 hours.

Pour the sauce in a bottle that you can squeeze it out, or a container that can be resealed.

Keep it in the fridge when not using.

Make sure the onion is minced into small pieces. The onion flakes should be used in a pinch. This will give a better flavor to the sauce.

The required ingredients:

  • A medium organic sweet onion.
  • A tablespoon of butter, vegan.
  • ​A tablespoon of organic mustard.
  • 2 tablespoons of honey.
  • A cup of mayonnaise, vegan.
  • 2 tablespoons of apple cider vinegar, organic.
  • 1/8 teaspoon of Himalayan salt.

Use a food processor to pulse the onions. They should be finely diced.

Heat the butter in a pan over heat and add the onions. Cook as you stir until they are soft.

Add the apple cider vinegar, the butter mixture, the raw honey, the mustard, the mayonnaise, and the Himalayan salt into the processor.

Process them until they are combined. The mixture should be smooth.

Pour the sauce over your best salad and enjoy.

This is very easy to prepared as cook your meal.

The required ingredients:

  • ½ cup of brown mustard, spicy.
  • A cup of honey.
  • 1 ½ cups of mayonnaise.
  • A tablespoon of onion powder.
  • 2 tablespoons of lemon juice.
  • ¼ cup of green onion, finely chopped.

Mix all the ingredients except the green onion.

Add the green onion as you stir. You can use a hand mixer or an electric mixer for better results.

Use the sauce immediately. You can keep the remaining sauce in the fridge.

Did you enjoy reading the above list? These are some of the Sweet Onion Sauces that you can make at home. It is easy and simple to make. The remaining sauce should be kept in the fridge when it is not used. If you have a comment, feel free to share in the comments section.

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