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Subway Sweet Onion Sauce Recipe

Subway Sweet Onion Sauce Recipe


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4.7 from 30 reviews

  • Author: admin
  • Total Time: 10 minutes
  • Yield: 1 cup 1x
  • Diet: Vegan, Gluten-Free

Description

Learn how to make your own Subway-inspired sweet onion sauce at home with this easy recipe. This versatile sauce is perfect for adding a touch of sweetness and flavor to your favorite sandwiches, salads, and wraps.


Ingredients

Scale

Sauce:

  • ½ cup white sugar
  • ½ cup white vinegar
  • 1 tablespoon cornstarch
  • 1 tablespoon water
  • 1 tablespoon soy sauce
  • 1 tablespoon finely minced white onion
  • 1 teaspoon poppy seeds
  • 1 teaspoon dry mustard powder
  • ½ teaspoon salt
  • ¼ teaspoon garlic powder

Instructions

  1. Combine sugar and vinegar: In a small saucepan over medium heat, combine the sugar and vinegar, stirring until the sugar dissolves.
  2. Prepare cornstarch mixture: In a separate small bowl, whisk the cornstarch and water together until smooth, then add it to the saucepan.
  3. Add remaining ingredients: Stir in soy sauce, minced onion, poppy seeds, mustard powder, salt, and garlic powder.
  4. Simmer: Bring the mixture to a gentle boil, then reduce the heat to low. Simmer for 2–3 minutes, stirring frequently, until the sauce thickens.
  5. Cool and store: Remove from heat and let cool. Transfer to a jar or airtight container and refrigerate until ready to use.

Notes

  • This sauce pairs perfectly with grilled chicken, deli sandwiches, wraps, or salads.
  • For a thinner consistency, add a splash of water after cooling.
  • Keeps in the fridge for up to 2 weeks.
  • Prep Time: 5 minutes
  • Cook Time: 5 minutes
  • Category: Sauce
  • Method: Stovetop
  • Cuisine: American

Nutrition

  • Serving Size: 1 tablespoon
  • Calories: 35
  • Sugar: 7g
  • Sodium: 110mg
  • Fat: 0g
  • Saturated Fat: 0g
  • Unsaturated Fat: 0g
  • Trans Fat: 0g
  • Carbohydrates: 8g
  • Fiber: 0g
  • Protein: 0g
  • Cholesterol: 0mg