Lechon Paksiw

1 kilo cooked lechon
1 can liver spread
1 cup vinegar
1/2 cup brown sugar, packed
1 tbsp. salt
1 tbsp. peppercorn
4 cloves garlic, crushed
1/2 cup dried oregano
1 cup water

Chop lechon into small serving pieces. Put in pan and add all the ingredients. Boil. Lower heat and simmer until lechon skin becomes very soft and sauce thickens.