How to Create Sour Milk

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Sour milk is a substitute for buttermilk in baked goods. Sour milk is also used as a starter ingredient for yogurt and cheese making, so knowing how to make sour milk at home is useful. Either vinegar or lemon juice mixed with milk will sour it.

Measure 1 cup milk into the pitcher.

Add 1 tbsp. of lemon juice or vinegar to the milk.

Stir with fork for 30 seconds.

Set the timer for five minutes. Use the sour milk when the timer goes off.