Blueberry ketchup goes with: Salmon, grilled chicken, duck, white cheddar and crackers.
Heat oil in a heavy-bottomed saucepan. Add the garlic and ginger and cook over a low heat for two minutes. Add onion, cook until soft and transparent, stir often. Add remaining ingredients;
Cook over medium heat until the mixture begins to simmer. Reduce heat and simmer for 30 minutes.
Remove from the heat. Allow the mixture cool slightly, then puree in a food processor or blender.
Place the puree in the pan and heat, bringing the mixture to a simmer. Cook until thick, about 1 hour.