Subway Sweet Onion Sauce

Looking to recreate the famous Subway sweet onion sauce at home? You’ve come to the right place! This tangy, sweet, and slightly savory sauce is the perfect topping for your favorite sandwiches, wraps, and salads. It’s incredibly simple to make, and the flavor will blow your mind. The balance of sweetness with a touch of onion and vinegar is pure magic! Ready to drizzle on everything? Let’s dive in.

Why You’ll Love Subway Sweet Onion Sauce

  • Perfect Balance of Sweet and Savory: The sweetness from the sugar and honey blends with the tanginess of vinegar, giving you that iconic Subway sauce flavor.
  • Easy to Make: With just a few ingredients, you can make a batch of this sauce in minutes.
  • Versatile: Use it as a sandwich or wrap dressing, drizzle it on salads, or even use it as a dipping sauce.
  • Make Ahead: This sauce keeps well in the fridge, making it easy to prepare ahead of time and store for later use.

Ingredients

Here’s what you need to recreate that signature Subway sweet onion sauce:

Mayonnaise: The creamy base of the sauce, giving it a smooth texture.
Honey: Adds the perfect amount of sweetness to balance out the tangy flavor.
Vinegar: The vinegar gives the sauce its tangy kick and helps balance the richness of the mayo.
Onion Powder: For that subtle onion flavor that makes this sauce a standout.
Sugar: Enhances the sweetness and deepens the overall flavor.
Salt: To bring all the flavors together.

(Note: the full ingredients list, including measurements, is provided in the recipe card directly below.)

Instructions

Making Subway Sweet Onion Sauce is quick and easy:

Combine Ingredients: In a bowl, whisk together the mayonnaise, honey, vinegar, onion powder, sugar, and salt until smooth.
Taste and Adjust: Give it a taste, and feel free to adjust the sweetness or tanginess by adding a little more honey or vinegar, depending on your preference.
Chill: Let the sauce sit in the fridge for at least 30 minutes to allow the flavors to meld together.
Serve: Drizzle it generously on your sandwiches, wraps, or salads. You can also use it as a dipping sauce!

Nutrition Facts

Servings: 8
Calories per serving: 90
Sugar: 7g
Sodium: 100mg
Fat: 6g
Saturated Fat: 1g
Unsaturated Fat: 5g
Trans Fat: 0g
Carbohydrates: 8g
Fiber: 0g
Protein: 1g
Cholesterol: 10mg

Preparation Time

Prep Time: 5 minutes
Cook Time: 0 minutes
Total Time: 30 minutes (for chilling)

How to Serve Subway Sweet Onion Sauce

This sauce is incredibly versatile and can be used in several ways:

  • Sandwiches and Wraps: Drizzle it on your favorite sandwiches, such as turkey, chicken, or veggie wraps.
  • Salads: Use it as a salad dressing for a tangy, creamy addition.
  • Dip for Fries: Serve it as a dipping sauce for fries or chips for an extra burst of flavor.
  • Grilled Meats: It’s also great as a topping for grilled chicken or pork.

Additional Tips

  • Make it Creamier: Add a little sour cream or Greek yogurt for a tangy twist and extra creaminess.
  • Make it Vegan: Use a vegan mayo alternative for a plant-based version of this sauce.
  • Storage: Store the sauce in an airtight container in the fridge for up to one week.

FAQ Section

Q1: Can I use a different sweetener instead of honey?
A1: Yes, you can use agave syrup, maple syrup, or a sugar substitute for a different sweetness profile.

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 refrigerate it for up to a week.

Q3: Is there a substitute for the mayonnaise?
A3: If you prefer a lighter version, you can use Greek yogurt or low-fat mayo. For a dairy-free version, look for vegan mayo.

Q4: How do I adjust the flavor if it’s too sweet?
A4: If it’s too sweet, add a little more vinegar or onion powder to balance it out.

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

Q6: Can I make a larger batch?
A6: Yes, just double or triple the ingredients to make a larger batch. Store extra sauce in the fridge.

Q7: Can I use this sauce on grilled meats?
A7: Yes, it’s delicious on grilled chicken, pork, or even steak!

Q8: Can I freeze the sauce?
A8: Freezing is not recommended for this sauce, as it may affect the texture of the mayo when thawed.

Q9: Can I use this on a veggie burger?
A9: Yes! It’s perfect as a condiment for veggie burgers, adding a sweet and tangy flavor.

Q10: Can I make this sauce spicier?
A10: Absolutely! Add a pinch of cayenne pepper or a dash of hot sauce for a spicy kick.

Conclusion

Now you can enjoy the delicious taste of Subway’s sweet onion sauce right in your own kitchen! This sauce is a perfect combination of sweet, tangy, and savory flavors that can be used in so many ways. Whether you’re topping your sandwiches, wraps, or salads, or just looking for a flavorful dipping sauce, this recipe will elevate your meals to the next level. Give it a try—you’re going to love it!

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Subway Sweet Onion Sauce

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This Subway Sweet Onion Sauce brings that perfect balance of tangy, sweet, and savory flavors to your sandwiches or salads. A homemade version of the popular Subway sauce, made with a blend of vinegars, mustard, and spices for that signature taste. Easy to make, and you can store it in your fridge for up to a week!

  • Author: Sarah
  • Prep Time: 5 minutes
  • Cook Time: 10 minutes
  • Total Time: 15 minutes
  • Yield: Makes approximately 1 ½ cups of sauce 1x
  • Category: Condiments
  • Method: Simmering
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 1 cup sugar
  • ½ cup water
  • 6 tbsp white vinegar
  • 1 ½ tbsp red wine vinegar
  • ½ tbsp finely minced onion
  • 1 tbsp cornstarch
  • 2 tsp Dijon mustard
  • 2 tsp mustard powder
  • 1 tsp poppy seeds
  • ½ tsp sesame oil
  • ½ tsp onion powder
  • ½ tsp salt
  • ¼ tsp garlic powder
  • ¼ tsp celery seed
  • ¼ tsp paprika
  • ¼ tsp black pepper

Instructions

  • Combine the Ingredients: In a saucepan, add all of the ingredients and whisk thoroughly to combine.
  • Boil: Bring the mixture to a boil, whisking constantly to prevent clumping.
  • Simmer: Once it boils, reduce the heat to a simmer. Continue to whisk for another 5 minutes, letting it simmer and thicken.
  • Cool: Once the sauce has thickened to your liking, remove it from heat and let it cool completely.
  • Store: Transfer the cooled sauce to an airtight container and refrigerate for up to one week.

Notes

  • You can adjust the sugar and vinegar levels based on how sweet or tangy you want the sauce.
  • This sauce is perfect on sandwiches, wraps, or as a drizzle over salads.
  • For extra flavor, add more onion powder or garlic powder depending on your taste preference.

Nutrition

  • Serving Size: 2 tbsp
  • Calories: 50kcal
  • Sugar: 6g
  • Sodium: 70mg
  • Fat: 0g
  • Saturated Fat: 0g
  • Unsaturated Fat: 0g
  • Trans Fat: 0g
  • Carbohydrates: 13g
  • Fiber: 0g
  • Protein: 0g
  • Cholesterol: 0g

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