7
votes
1answer
1k views

Cooking Chemistry: lemon juice/soymilk buttermilk substitute turning bitter and 'rising'

I made a soup recipe the other night (mainly potato, spinach, and veggie broth) that called for buttermilk. I substituted soymilk and lemon juice, reading online that that was a good substitution for ...
18
votes
3answers
1k views

Buttermilk substitute?

I've got a recipe that calls for some buttermilk, but none on-hand. Is there some way I could use some common ingredient(s) as a substitute?