Buttermilk is often used in baking for its acidic properties which help with leavening. Add buttermilk to the cake batter for a fluffier texture.
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Sour Taste
Buttermilk has a tangy, sour flavor, different from sweet, regular milk. The sourness of the buttermilk gives these scones a distinct taste.
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Substitution Caution
Substituting buttermilk for regular milk in recipes can change the texture and flavor significantly. If you swap buttermilk for milk, remember to add baking soda to balance acidity.