Just went down that rabbit hole in search of manufacturing cream. My Costco or open-to-the-public restaurant suppliers don’t have it.
Regarding dairy powders.
Cons:
Expensive (1 pound of sour cream powder makes 5 cups of reconstituted for $13).
(FYI: Daisy sour cream, 5# for $8 at restaurant supplier.)
Must be stored air tight & cool/refrigerated after opening.
Most have preservatives or additives.
Pros:
Unopened, good long term storage (5-10 years)
A ready fat source if the survivalists are right. But you still need clean water.
Easily found on Amazon.
Convenient
Hopes this saves y’all from late night fruitless research.