What common kitchen product can be made by mixing one tablespoon of vinegar into one cup of regular milk and letting it sit?

Answer

An adequate buttermilk substitute

Mixing one tablespoon of vinegar into one cup of regular milk and allowing it to sit for 10 to 15 minutes creates a substitute for buttermilk, utilizing the acid-base reaction needed for quick breads.

What common kitchen product can be made by mixing one tablespoon of vinegar into one cup of regular milk and letting it sit?
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