Kitchen tools

Buttermilk substitutes

Running out of buttermilk? Try these tested swaps.

Free · no signup

Swaps for Buttermilk

  • Milk + lemon juice

    1:1

    1 cup milk + 1 tbsp lemon juice; rest 5 min — homemade buttermilk

  • Milk + white vinegar

    1:1

    1 cup milk + 1 tbsp vinegar; rest 5 min — homemade buttermilk

  • Plain yogurt thinned

    1:1

    ¾ cup yogurt + ¼ cup milk or water

  • Kefir

    1:1

    1:1 closest pourable cultured swap

  • Oat milk + lemon juice

    1:1

    1 cup oat milk + 1 tbsp lemon; rest 5 min — dairy-free

  • Soy milk + vinegar

    1:1

    1 cup soy milk + 1 tbsp vinegar; rest 5 min — dairy-free

Taste as you go

Ratios are a starting point — adjust salt, fat, and sweetness for your dish.

Need a different ingredient?

Free tool → smarter with Homii

Allergy-safe swaps for your household

See allergy-safe swaps for your whole household — not just generic ratios.

  • See swaps checked against your family's allergies
  • Apply substitutions to cookbook copies
  • Update cooking steps to match your swap
Try Homii free

60-day free trial

Related tools

More utilities for the same cooking job

All tools

FAQ

Can Homii swap buttermilk in my recipes automatically?

Yes. Save a recipe to your cookbook and Homii can apply allergy-safe swaps and rewrite steps.