Duck Sauce

I see recipes from the http://chinesecookbookblog.com/chinese-food-recipes/duck-sauce.html on the duck sauce recipes.

Duck Sauce

Ingredients:

First:
1 Pound Plums halved and pitted
1 Pound Apricots halved and pitted
1 1/4 Cups Cider vinegar
3/4 Cup Water
Second:
1 Cup Cider vinegar
1 Cup Firmly packed brown sugar
1 Cup White sugar
1/2 cup Lemon juice
The Rest:
1/4 cup Chopped ginger
1 small Onion sliced
1 (or more) serrano −− seeded & chopped
2 small Garlic cloves sliced
4 teaspoons Salt
1 tablespoon Mustard seed (toasted)
1 Cinnamon stick

Directions:

Combine first set of ingredients and cook over moderate heat
for 5 minutes. Reduce heat and simmer uncovered for 15 minutes.
Combine second set of ingredients and boil for 10 minutes.
Combine the above three sets of ingredients and simmer for 45 minutes
Remove cinnamon. Puree in food processor. Return to kettle and
simmer until thick. Transfer to sterilized mason jar, cap loosely
and let cool. Tighten caps and let stand in dark at least 2 weeks.
Makes 2 pints.