I bet this is it:
https://www.food.com/rec...-of-tomato-soup-i-520280This may have become an EYB member-indexed online recipe at some point, or not; I didn't check before posting. There's no indication at the site which Katzen book (or article or online publication) this is from.
Edited to add: Found it in Enchanted Broccoli Forest by using an EYB search: filter by soups under Recipe Types, and tomatoes (in Salad veg) under Ingredient, then entered 'Katzen' on the search line. Sorted the results A-Z, chose compressed display for ease of review, and right-click on creamy/cream of tomato entries in Recipe view to see if cream cheese was among the ingredients.
https://www.eatyourbooks...am-of-tomato-variation-1