Home › Forums › Lunch & Dinner Forums › Soups › Russian borscht anyone? › Re:Russian borscht anyone? September 6, 2013 at 7:09 am #2633732 TwinwillowMember Mar, With reference to my above post, I do remember my Aunt Nelly used “sour salt” when maker her borscht. I wish I had the recipe. But my (Russian) mom and all her 11 siblings are gone know.