Dairy & Eggs

Buttermilk

Cultured dairy product with tangy flavor that tenderizes baked goods and reacts with baking soda for leavening.

Conversion Chart

VolumeUS Cup (g)Imperial (oz)Metric Cup (g)
1 cup2458.6259
¾ cup1846.5194
⅔ cup1635.8173
½ cup1234.3129
⅓ cup822.986
¼ cup612.265
1 tbsp150.515
1 tsp5.10.25.1

Thicker than regular milk. Shake before measuring.

Nutrition Facts

Nutrition Facts

Serving Size 100g

Calories40
Protein3.3g
Carbohydrates4.8g
Fat1g
Sugar4.8g
Sodium148mg

History

Traditional buttermilk was the liquid left after churning butter. Modern cultured buttermilk was developed in the 1920s as a way to use surplus milk. Its acidity makes it invaluable in baking, activating baking soda and creating tender, fluffy textures in pancakes, biscuits, and cakes.

Baking Tips

  • 1Reacts with baking soda to create lift
  • 2Tenderizes gluten in baked goods
  • 3Substitute: milk + 1 tbsp vinegar/lemon juice
  • 4Room temperature for best results

Storage

How to Store

Refrigerator

Shelf Life: 2 weeks after opening

Substitutes

  • Milk + lemon juice (1 cup milk + 1 tbsp acid)
  • Yogurt thinned with milk