Subway Sweet Onion Sauce

If you’ve ever craved that irresistible, sweet-tangy sauce that’s drizzled on Subway sandwiches, you’re in for a treat! The Subway Sweet Onion Sauce is a fan favorite, known for its perfect balance of sweetness and savory flavors that enhance any sandwich, wrap, or even a salad. The best part? You can now recreate this delicious sauce right in your own kitchen! It’s so easy to make and will instantly elevate your next homemade sandwich or meal. Trust me, you’ll be drizzling this on everything!

Why You’ll Love Subway Sweet Onion Sauce

Perfect Balance of Sweet and Tangy

The sauce is a unique combination of sugar, vinegar, and spices that gives it the perfect balance of sweetness and tanginess. It complements all kinds of proteins and veggies, making it the ideal topping for your sandwiches or wraps.

Simple Ingredients

You don’t need a long list of fancy ingredients. The beauty of this sauce lies in its simplicity and how quickly you can whip it up. Everything you need is probably already in your pantry!

Versatile

It’s not just for sandwiches! Use it as a dressing for salads, a dip for chicken nuggets, or a topping for burgers and roasted vegetables. The possibilities are endless.

Homemade Goodness

Making it at home means you can adjust the sweetness, tang, and spice levels to your exact preference. Plus, you can feel good knowing exactly what’s in your sauce—no mysterious additives!

Ingredients in Subway Sweet Onion Sauce

Here’s what you need to make this sweet, tangy goodness:

  • Mayonnaise: The creamy base of the sauce that gives it its luscious texture.
  • Sweet Onion: Freshly chopped or minced sweet onion gives the sauce its signature flavor.
  • Sugar: Sweetens the sauce just enough to balance the tanginess.
  • Vinegar: The acidic punch that brings everything together. Apple cider vinegar or white vinegar works perfectly.
  • Soy Sauce: Adds a hint of umami and depth to the sauce.
  • Garlic Powder: A subtle but essential flavor that enhances the overall taste.
  • Salt & Pepper: For seasoning.

(Note: Full ingredient measurements are provided in the recipe card below.)

Nutrition Facts

Here’s an approximate breakdown per serving (based on 2 tablespoons):

  • Calories: 80
  • Fat: 7g
    • Saturated Fat: 1g
  • Carbohydrates: 5g
    • Sugars: 4g
  • Protein: 0g
  • Cholesterol: 10mg
  • Sodium: 150mg
  • Potassium: 20mg
  • Calcium: 0% DV
  • Iron: 0% DV

(Note: Nutritional values may vary depending on ingredient brands and portion sizes.)

Preparation Time

  • Prep Time: 5 minutes
  • Cook Time: 0 minutes
  • Total Time: 5 minutes

Instructions

Step 1: Combine the Ingredients

In a small bowl, mix together the mayonnaise, sweet onion, sugar, vinegar, soy sauce, garlic powder, salt, and pepper. Stir everything until well combined.

Step 2: Adjust the Flavor

Taste the sauce and adjust the sweetness or tanginess to your liking. If you prefer a sweeter sauce, add a little more sugar. If you like it tangier, add a bit more vinegar.

Step 3: Chill (Optional)

For best results, cover the sauce and let it chill in the fridge for 30 minutes before using. This allows the flavors to meld together even more, but you can also enjoy it right away if you’re in a hurry.

Step 4: Serve and Enjoy

Drizzle this homemade sweet onion sauce on your favorite sandwiches, wraps, or salads. It’s also great as a dip for chicken tenders or veggies!

How to Serve Subway Sweet Onion Sauce

As a Sandwich Topping

The classic use for this sauce is on your favorite sandwich. It pairs perfectly with deli meats like turkey, chicken, or ham, along with fresh veggies like lettuce, tomato, and cucumbers.

With Grilled Chicken or Beef

Use it as a marinade or topping for grilled chicken or beef. The sweetness and tang will complement the savory meats beautifully.

On Salads

Add a few tablespoons of the sweet onion sauce to your favorite salad for a delicious twist. It pairs especially well with chicken Caesar salads or any grilled meat salads.

As a Dip

Serve it as a dipping sauce for crispy chicken nuggets, fries, or even roasted vegetables. It’s a simple way to elevate any snack!

Additional Tips

Make It Spicy

If you like a bit of heat, add a pinch of cayenne pepper or a dash of hot sauce to give your sweet onion sauce a spicy kick.

Make It Vegan

To make the sauce vegan, swap out the mayonnaise for a plant-based alternative. There are plenty of great vegan mayo options available that will give you the same creamy texture.

Store for Later

You can store this homemade sweet onion sauce in an airtight container in the fridge for up to one week. Just give it a good stir before using, as it may separate slightly.

Adjust Sweetness

If you’re watching your sugar intake, feel free to adjust the amount of sugar. You can even use a sugar substitute, like stevia, to make it a bit lighter.

FAQ Section

Q1: Can I use regular onions instead of sweet onions?
A1: Yes, you can! Sweet onions give it that classic Subway flavor, but you can use regular onions if that’s what you have on hand. Just chop them finely.

Q2: Can I make this sauce ahead of time?
A2: Absolutely! In fact, making it ahead of time allows the flavors to develop even more. Just store it in the fridge for up to a week.

Q3: Can I use this sauce on other types of sandwiches?
A3: Definitely! This sauce goes great with a variety of sandwiches, from vegetarian to meaty. Try it with chicken, turkey, roast beef, or even grilled veggies.

Q4: How do I adjust the consistency if it’s too thick?
A4: If the sauce is too thick, simply add a teaspoon of water or extra vinegar until it reaches your desired consistency.

Q5: How long can I store the sauce?
A5: You can store this sauce in the fridge for up to 1 week in an airtight container.

Q6: Can I use this as a marinade for meats?
A6: Yes, this sauce works great as a marinade for grilled or roasted meats. Just coat the meat and let it sit in the fridge for an hour before cooking.

Q7: Can I make this sauce spicy?
A7: Yes! Add a pinch of cayenne pepper, chili flakes, or some hot sauce to give it a spicy twist.

Q8: What else can I use this sauce for?
A8: It’s great as a dip for veggies, chicken tenders, or fries, and even as a topping for roasted vegetables or burgers.

Q9: Can I use this on a wrap instead of bread?
A9: Absolutely! This sauce is perfect for wraps, whether you’re using chicken, beef, or veggies as the filling.

Q10: What’s the best way to serve this sauce?
A10: Drizzle it over sandwiches, wraps, salads, or even use it as a dipping sauce for your favorite snacks. It’s versatile and delicious!

Conclusion

This Subway Sweet Onion Sauce is a game-changer for your sandwiches, wraps, and more! It’s sweet, tangy, and full of flavor, and making it at home couldn’t be easier. So why not skip the store-bought version and make this sauce in your own kitchen? Once you taste it, you’ll wonder why you didn’t try it sooner. Enjoy, and happy drizzling!

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Subway Sweet Onion Sauce


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  • Author: Olivia
  • Total Time: 5 minutes
  • Yield: About 3/4 cup sauce 1x

Description

This homemade version of Subway’s Sweet Onion Sauce is the perfect addition to your sandwiches, wraps, or salads. A balance of sweet and tangy flavors, this sauce is sure to elevate any meal. It’s easy to make and just as delicious as the original!


Ingredients

Scale
  • 1/2 cup mayonnaise
  • 1/4 cup Dijon mustard
  • 1/4 cup apple cider vinegar
  • 2 tbsp honey (or more for extra sweetness)
  • 1 tbsp sugar
  • 1/4 tsp garlic powder
  • 1/4 tsp onion powder
  • 1/4 tsp ground black pepper
  • 1/4 tsp salt
  • 1/4 cup water (adjust for desired consistency)

Instructions

  1. Combine the Ingredients: In a small bowl, whisk together the mayonnaise, Dijon mustard, apple cider vinegar, honey, sugar, garlic powder, onion powder, black pepper, and salt.
  2. Adjust Consistency: Slowly add water, a tablespoon at a time, until you reach your desired consistency. For a thicker sauce, use less water; for a thinner sauce, add more.
  3. Chill: Refrigerate the sauce for at least 30 minutes before using to allow the flavors to meld together.
  4. Serve: Drizzle the sweet onion sauce on your favorite sandwiches, wraps, or salads. Store leftovers in an airtight container in the fridge for up to a week.

Notes

  • For an even sweeter sauce, add extra honey or a pinch of brown sugar.
  • If you prefer a tangier sauce, increase the apple cider vinegar.
  • This sauce works wonderfully on chicken or veggie sandwiches.
  • You can substitute the mayonnaise for a vegan alternative to make the sauce dairy-free.
  • Prep Time: 5 minutes
  • Cook Time: 0 minutes
  • Category: Condiment
  • Method: Mixing
  • Cuisine: American

Nutrition

  • Serving Size: 2 tbsp
  • Calories: 120
  • Sugar: 8g
  • Sodium: 200mg
  • Fat: 10g
  • Saturated Fat: 1g
  • Unsaturated Fat: 9g
  • Trans Fat: 0g
  • Carbohydrates: 10g
  • Fiber: 0g
  • Protein: 1g
  • Cholesterol: 5mg

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