Ingredients

1 Tbl Extra Virgin Olive Oil
1 Lg Onion, Diced, about 1 cup
1 1/4 Lb Plums, pitted and chopped
1 Lg Tomato, Peeled, Seeded and diced, about a cup
2 Tbl Balsamic Vinegar
1 Tbl Molasses
1 Tbl Brown Sugar
2 Tbl Ketchup
1/2 Tsp Salt

Directions

Heat olive oil in a saucepan over medium high heat and add onion; cook until slightly softened, about 3 minutes. Add remaining ingredients, bring to a boil, and simmer, uncovered, for about an hour. Puree using a stick blender and pour into a covered container to store in the refrigerator for up to 4 months. Variation: If you want a pure plum flavor, skip the tomato and ketchup, and add a little mustard and some ginger.