Subway's Sweet Onion Sauce

By WSiefert

Ingredients

• 1 cup granulated sugar (plus 2 tablespoons)
• 1/2 cup plus 1 tablespoon cold water
• 6 tablespoons white vinegar
• 1 1/2 tablespoons raspberry vinegar
• 1 tablespoon arrowroot
• 1 tablespoon minced onion flakes
• 2 1/2 teaspoons Dijon mustard
• 2 1/2 teaspoons mustard powder
• 3/4 teaspoon celery salt
• 3/4 teaspoon fresh onion juice (use a garlic press)
• 3/4 teaspoon poppy seed
• 1/2 teaspoon onion salt
• 1/4 teaspoon garlic salt (plus 1/8 teaspoon)
• 1/4 teaspoon paprika (plus 1/8 teaspoon)
• 1/4 teaspoon black pepper (plus 1/8 teaspoon)
• 1 -2 drop sesame oil

Preparation

Step 1

NOTE: YOU MAY SUBSTITUTE RED WINE VINEGAR FOR RASPBERRY VINEGAR IF NECESSARY. WHISK sauce ingredients together in a small saucepan (1 cup plus 2 tablespoons granulated sugar, 1/2 cup plus 1 tablespoon cold water, 6 tablespoons white vinegar, 1 1/2 tablespoons raspberry vinegar, 1 tablespoon arrowroot powder, 1 tablespoon minced onion flakes, 2 1/2 teaspoons Dijon mustard, 2 1/2 teaspoons mustard powder, 3/4 teaspoon celery salt, 3/4 teaspoon fresh onion juice, 3/4 teaspoon poppy seeds, 1/2 teaspoon onion salt, 3/8 teaspoon garlic salt, 3/8 teaspoon paprika, 3/8 teaspoon black pepper, 1-2 drops sesame oil).

BRING mixture to a boiling while whisking constantly.

REDUCE heat to low simmer, stirring until thickened and flavorful, about 5 minutes.

ALLOW to cool, then refrigerate in a sealed container (keeps indefinitely).