Heat the oil in a pot.
Sauté the zucchini, onion and garlic briefly.
Add the chopped tomatoes, spices and vinegar.
Cover and cook over moderate heat for about 20 minutes.
Then puree with a hand blender. Allow the puree to cool completely.
Stir in the cream cheese evenly with a whisk. The spread should be allowed to infuse for a few hours before eating.