In a small saucepan or pot combine water, the Redpath® Organic Granulated Sugar, rice wine vinegar, apple cider vinegar, minced garlic, chili flakes, minced Thai chilis, and salt. Place over medium-high heat and stir to dissolve sugar. Bring to a boil, reduce heat to medium and simmer; 5 minutes.
In a small dish, whisk the fish sauce and cornstarch to form a slurry.
Quickly whisk the slurry into the simmering sauce. Continue to stir and simmer the sauce until the sauce loses its cloudiness and cornstarch is cooked out; 2 minutes.
Remove from heat and allow to cool completely. Use immediately or ladle into an airtight container and store in the refrigerator for up to 2 weeks.