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You prefer a sour taste; I hope I didn't spoil what you have posted.

I'm afraid I don't understand what you mean here. Can you explain it please?

"First I melted the butter in a pan, then added the flour and stirring constantly, cooked for about five minutes. Then added the beef stock, salt and pepper and cooked for a few minutes. Then added the cream. So what was the problem? I used sour cream, because I didn't want my sauce to be sweet, I wanted a sour sauce and the consistency of sour cream is different.

I might be wrong too.. I just take literally from this passage.

Lol, now you lost me 😁

Never mind!

May I ask if the downvote is because of my statement?

Downvote? What downvote?
I didn't downvote you as far as I know.

Have a look at the article Swedish Meatballs and Mash. One person downvotes. 💔

Yes, I got the downvote but don't worry about it, it's not because of you. Many of my posts get downvoted. Smooth likes to do that.