=== Ingredients ===

  * 1/2 Cup Cider Vinegar
  * 1/2 Cup Light Brown Sugar (packed)
  * 1/4 Cup Water
  * 1/4 Cup [[Ketchup]]
  * 1 Tbsp Cornstarch
  * 1 Tbsp Soy Sauce

=== Instructions ===

  - Place all ingredients in sauce pan (cold)
  - Whisk to combine.
  - As it heats up, keep whisking until it thickens. Thickening will continue as it cools.