Where Can I Buy Subway Sweet Onion Sauce In 2022? (+ Other FAQs)

One of the reasons Subway menu items are so tasty is the variety of toppings it offers. At Subway, you can customize every order with your choice of sauces, vegetables, cheeses, and meats.

Fans of Subway may be wondering if you can buy its sauces, including the sweet onion sauce. After doing some digging, here’s what I’ve learned about where you can purchase sweet onion sauce!

Can I Buy Subway Sweet Onion Sauce In 2022?

A Subway representative has stated that Subway does not sell its sweet onion sauces for retail purposes as of 2022. However, many sweet onion sauce recipes online aim to replicate the one offered at Subway, meaning you can make your own. Also, you can purchase ready-made sweet onion sauce that tastes like Subway sauce.

For more information on Subway sweet onion sauce, including what’s in it, how many calories are in it, if sweet onion sauce is healthy and how you can make your own, just keep reading!

Where Can I Buy A Subway Sweet Onion Sauce Substitute?

Online fans of Subway’s sweet onion sauce have recommended several ready-made brands that taste like the Subway recipe.

For example, one includes Dolphin Fitness- Fit Cuisine Sweet Onion Sauce and Ken’s Lite Sweet Vidalia Onion Dressing.

Also, a former Subway worker has reported that Masterfoods Sweet Onion sauce tastes very similar to the Subway recipe.

Can I Make My Own Subway Sweet Onion Sauce?

It is also possible to make your own Subway sweet onion sauce at home, as numerous websites have introduced replicates.

For example, Food.com has a recipe for a Subway sweet onion sauce copycat recipe, and so do Spoons of Flavour.

On average, these recipes suggest it takes around 15 minutes for you to make your own Subway sweet onion sauce.

Finally, there are several video tutorials online that allow you to make your own Subway sauce. For example, Sanam’s Kitchen has a recipe for copycat Subway sweet onion sauce.

Does Subway Sell Sauces?

Sadly, Subway doesn’t sell sweet onion sauce or any of its sauces for retail purposes.

That said, many customers have requested Subway offers its sauces for sale on Subway’s social media pages.

However, the fast-food retailer has yet to make them available for purchase.

How Many Calories Are In Subway Sweet Onion Sauce?

How Many Calories Are In Subway Sweet Onion Sauce?

In an average 21 gram serving of sweet onion sauce from Subway, there are around 40 calories. Also, the sweet onion sauce from Subway is one of its fat-free sauce choices.

What Is Subway Sweet Onion Sauce Made Of?

While the exact sweet onion sauce from Subway recipe has not been released, online fans have replicated the recipe with similar ingredients.

Subway franchises likely order the sweet onion sauce directly from Subway suppliers, alongside other items like bread, meats, and more.

That said, ingredients in the Subway sweet onion sauce include:

  • Corn syrup
  • Onion
  • White vinegar
  • Red wine vinegar
  • Balsamic vinegar
  • Brown sugar
  • Lemon juice
  • Garlic powder
  • Pepper
  • Salt

What Sauces Are Available At Subway?

Subway offers a wide range of sauces that you can add to products such as sandwiches and salads.

For example, the sauces you can find in most Subway franchises in the United States include Chipotle Southwest, Ranch, Oil, Subway Vinaigrette, and mayonnaise, either regular or light.

Additionally, Subway offers fat-free sauce options, including sweet onion, as well as mustard and vinegar.

Furthermore, select Subway locations may offer Tzatziki Cucumber, Golden Italian, Creamy Italian, Honey Mustard, Savoury Caesar, Sriracha, Buffalo, and Barbecue.

As Subway is a franchise business, not all locations will carry the same sauces.

To know more about Subway, you can also read our posts on what are the sauces at Subway, if Subway bread is vegan, and if Subway still has a seafood sub.


Sadly, Subway doesn’t sell its sweet onion sauce separately; it can only be purchased as a portion in stores with your order.

With that, sweet onion sauce from Subway is fat-free and only contains around 40 calories per portion.

Additionally, many online websites have offered ways to create your own sweet onion sauce that replicates the Subway recipe, which takes around 15 minutes to make.

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