Buttermilk

Buttermilk is a slightly tangy, fermented dairy product known for its acidic properties, which make it an excellent leavening partner for baking soda. This chemical reaction helps baked goods rise, resulting in a tender, fluffy texture. It also adds moisture, enhancing the taste and crumb of cakes, breads, and pastries. The tanginess of buttermilk imparts a subtle, creamy flavor that balances the sweetness in baked items, making it a preferred choice for recipes like pancakes, biscuits, and muffins.