Because unless it’s a powdered mix thing, sour cream (and almost all dairy) in the US is refrigerated for food safety. They were not looking for a powder or mix.
It’s just UHT. UHT dairy is very much legal in the US. And does not have to be refrigerated. It often is, because unrefrigerated milk makes US consumers uneasy. But it doesn’t have to be.
I am aware that it’s less common than it is in Europe. But it’s not an unreasonable question.
Because unless it’s a powdered mix thing, sour cream (and almost all dairy) in the US is refrigerated for food safety. They were not looking for a powder or mix.
It’s just UHT. UHT dairy is very much legal in the US. And does not have to be refrigerated. It often is, because unrefrigerated milk makes US consumers uneasy. But it doesn’t have to be.
I am aware that it’s less common than it is in Europe. But it’s not an unreasonable question.
Every question is unreasonable if you hate people.