Sweet Onion Sauce Subway (Print Version)

Make Subway-style sweet onion sauce at home, with balanced sweet, tangy, and onion-rich flavors.

# Ingredients:

01 - 1 cup granulated sugar
02 - ½ cup + 1 tablespoon water
03 - 6 tablespoons white vinegar
04 - 4 ½ teaspoons red wine vinegar
05 - 1 teaspoon finely grated onion
06 - 1 tablespoon dijon mustard
07 - ¼ teaspoon sesame oil
08 - 1 tablespoon cornstarch
09 - 1 tablespoon dried minced onion
10 - 2 teaspoons dry mustard powder
11 - 1 teaspoon salt
12 - ¾ teaspoon poppy seeds
13 - ½ teaspoon celery seed
14 - ¼ teaspoon onion powder
15 - ¼ teaspoon heaping paprika
16 - ¼ teaspoon heaping ground black pepper
17 - ⅛ teaspoon heaping garlic powder

# Instructions:

01 - Whisk all of the ingredients together in a small saucepan.
02 - Bring to a boil over medium-high heat, whisking often to prevent burning.
03 - Reduce the heat to low and simmer until thickened, about 5 minutes, whisking frequently.
04 - Allow to cool completely, then transfer to an airtight container. Label and store in the refrigerator for up to 4 weeks or freeze for longer storage.

# Notes:

01 - Use a rasp grater or garlic press to finely grate the onion.
02 - For a low-carb version, substitute sugar with a 1:1 sugar replacement sweetener.
03 - If storing in a squeeze bottle, ensure the opening accommodates dried minced onion pieces.