SUBWAY SWEET ONION SAUCE
Makes about 2/3 cup.
Note: It's the sauce that makes Subway sandwiches stand out from one another, Todd Wilbur says. This is the key ingredient in the Subway Chicken Teriyaki Sandwich. Buttermilk powder is available in the baking section of the supermarket.
• 1/2 c. light corn syrup
• 1 tbsp. minced white onion
• 1 tbsp. red wine vinegar
• 2 tsp. white vinegar
• 1 tsp. balsamic vinegar