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!
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Recipe Information
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
Instructions
In a small saucepan, whisk together granulated sugar, cornstarch, and water until the cornstarch is fully dissolved.
Set the saucepan over medium heat and add white vinegar, soy sauce, fresh lemon juice, and Dijon mustard. Whisk continuously to combine.
Stir in the onion powder, garlic powder, poppy seeds, salt, and black pepper.
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.
Remove the saucepan from heat and let the sauce cool to room temperature.
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
Calories |
449 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 1.7 g | 2% | |
| Saturated Fat | 0.1 g | 0% | |
| Polyunsaturated Fat | 0.0 g | ||
| Cholesterol | 0 mg | 0% | |
| Sodium | 1288 mg | 56% | |
| Total Carbohydrate | 109.9 g | 40% | |
| Dietary Fiber | 1.0 g | 4% | |
| Total Sugars | 100.4 g | ||
| Protein | 2.3 g | 5% | |
| Vitamin D | 0.0 mcg | 0% | |
| Calcium | 46 mg | 4% | |
| Iron | 0.6 mg | 3% | |
| Potassium | 136 mg | 3% | |
*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.
