Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2   c            Rice vinegar
     1/4   c            Sugar
   2       tb           Plum sauce
   1       tb           Thai fish sauce
   1       tb           Fresh lime or lemon juice
   2       ts           Tomato paste
   1       t            Minced garlic
     1/2   ts           Minced serrano chili
     1/2   ts           Ground red chili paste
     1/2   ts           Sweet paprika
     1/2   ts           Salt
     1/2   ts           All-purpose flour, mixed
                        -with 1 T cold water

Preparation:

Combine all ingredients and 1/2 c water in a small saucepan, and bring to a boil. Reduce heat and simmer for 4 minutes. Let cool. Will keep in refrigerator for 3 days.