Nutrition Facts for Subway sweet onion sauce copycat

Subway Sweet Onion Sauce Copycat

Recreate the irresistible flavor of Subway's iconic Sweet Onion Sauce at home with this easy and budget-friendly copycat recipe. Bursting with a perfect balance of tangy, sweet, and savory notes, this homemade sauce combines pantry staples like soy sauce, Dijon mustard, and a touch of zesty lemon juice with aromatic spices like onion and garlic powder. Ready in just 10 minutes, this thick and glossy sauce is ideal as a sandwich topping, salad dressing, or dip. The poppy seeds add a subtle crunch, while a quick chill in the fridge ensures the flavors meld beautifully. Whip up a batch and elevate your homemade subs to deli-quality perfection!

Nutriscore Rating: 44/100
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Image of Subway Sweet Onion Sauce Copycat
Prep Time:5 mins
Cook Time:5 mins
Total Time:10 mins
Servings: 8

Ingredients

  • 0.5 cup Granulated sugar
  • 0.3333 cup Water
  • 2 tablespoons White vinegar
  • 2 teaspoons Cornstarch
  • 1 tablespoon Soy sauce
  • 1.5 teaspoons Fresh lemon juice
  • 1 teaspoon Dijon mustard
  • 1 teaspoon Onion powder
  • 0.5 teaspoon Garlic powder
  • 0.5 teaspoon Poppy seeds
  • 0.25 teaspoon Salt
  • 0.125 teaspoon Black pepper

Directions

Step 1

In a small saucepan, whisk together granulated sugar, cornstarch, and water until the cornstarch is fully dissolved.

Step 2

Set the saucepan over medium heat and add white vinegar, soy sauce, fresh lemon juice, and Dijon mustard. Whisk continuously to combine.

Step 3

Stir in the onion powder, garlic powder, poppy seeds, salt, and black pepper.

Step 4

Bring the mixture to a gentle boil while whisking frequently. Reduce the heat to low and simmer for 1 to 2 minutes, until the sauce thickens slightly.

Step 5

Remove the saucepan from heat and let the sauce cool to room temperature.

Step 6

Transfer the sweet onion sauce to a jar or airtight container and refrigerate for at least 1 hour to allow the flavors to meld. Shake or stir before serving.

Nutrition Facts

Serving size (250.8g)
Amount per serving % Daily Value*
Calories 449.0
Total Fat 1.7g 0%
Saturated Fat 0.1g 0%
Polyunsaturated Fat 0.0g
Cholesterol 0mg 0%
Sodium 1287.7mg 0%
Total Carbohydrate 109.9g 0%
Dietary Fiber 1.0g 0%
Total Sugars 100.4g
Protein 2.3g 0%
Vitamin D 0IU 0%
Calcium 46.5mg 0%
Iron 0.6mg 0%
Potassium 135.9mg 0%
*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 3.3%
Protein: 2.0%
Carbs: 94.7%