Out of buttermilk? Try our simple buttermilk substitutes that take just minutes to prepare, and you'll be back to baking in no time.
For 1 cup buttermilk, substitute 1 tablespoon lemon juice or vinegar plus enough milk to make 1 cup. Let stand for 5 minutes before using.
For 1 cup buttermilk, substitute 1 cup plain yogurt.