developing fine cracks.
Overcooking can soften the grapes excessively, causing them to burst or lose juice.
Why Use a Citric Acid Bath?
After blanching, the grapes are transferred to a separate bath of cold water and food-grade citric acid.
Citric acid, sometimes called sour salt, is commonly used in food preparation.
The cold bath helps stop the heating process, while the mild acidic solution is part of a grape pretreatment described in Utah State University Extension guidance.
For this method, use:
1 liter of cold water + 5 grams of food-grade
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