>>2776590They work/taste the same but are actually made differently. I agree though.
I think if you're really opposed to "fake" buttermilk you should just make your own butter. It's super easy and you'll end up with butter AND buttermilk, making it cost-effective.
1. Find a jar with a lid.
2. Pour in heavy cream and close lid.
3. Shake
4. Keep shaking
5. Realize your biceps aren't what they used to be.
6. Hand off shaking duties to a child.
7. When the cream has thickened and become, well, buttery, drain off the remaining buttermilk (around 20 minutes depending on fitness level or number of child helpers).
8. Refrigerate to harden a bit.
9. Serve to friends and brag!