Using Buttermilk Instead of Whole Milk

Reviewed by the CupOrGram Editorial TeamSources: King Arthur Baking, USDA FoodData Central, in-house testingMethodology
Ratio
1:1 (add 1/4 tsp baking soda per cup to neutralise acidity)
Good — works well with minor differences

Recipe Adjustment Notes

More acidic and tangy. Creates more tender bakes due to acid.

The Science Behind This Swap

More acidic and tangy. Creates more tender bakes due to acid.

Measurement Variance Note

For 1 cup references, this ingredient can vary by about 6% across brands and measuring methods (229g-259g per cup). For the most reliable substitution result, measure by weight and test a half batch first.

What Works & What Doesn't

Works Well In

  • Muffins & quick breads
  • Cookies
  • Pancakes & waffles

Use With Caution

  • Laminated doughs
  • Macarons
  • Precision pastry

Check This Substitute by Recipe Type