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How to sour milk for baking

Updated February 21, 2017

Lots of recipes for cookies and breads call for sour milk. Originally, these recipes may have used milk that had been left sitting out. But nowadays, there is a better way to get sour milk. Just a few simple ingredients and you'll be ready to bake in no time.

Measure 1 cup milk. Whole or 2 per cent works best in baking.

Add 1 tsp plain vinegar or lemon juice. Stir the ingredients.

Let the mixture sit for 10 to 15 minutes. The milk should began to curdle slightly. You now have sour milk for your baking needs.

Tip

If you need to change the measurements, remember to keep the milk-to-vinegar ratio the same: 1 cup to 1 tsp.

Things You'll Need

  • Milk
  • Plain vinegar or lemon juice
  • Measuring cup
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About the Author

Hollan Johnson is a freelance writer and contributing editor for many online publications. She has been writing professionally since 2008 and her interests are travel, gardening, sewing and Mac computers. Prior to freelance writing, Johnson taught English in Japan. She has a Bachelor of Arts in linguistics from the University of Las Vegas, Nevada.