Add the white vinegar or lemon juice to a glass measuring cup.
Pour in milk until the total volume reaches 1 cup.
Stir well and let the mixture sit for 10-15 minutes at room temperature until it begins to curdle.
Use as needed in recipes that call for buttermilk.
Notes
🥡 STORAGE: Refrigerate leftover substitute in a sealed container for up to 3 days.Shake or stir before using, as separation may occur.♨️ REHEATING: Not applicable - use cold or room temperature in recipes.❄️ FREEZING: Not recommended - texture and effectiveness may change after freezing.💡 TIPS FOR BEST RESULTS: Use whole milk for a richer buttermilk substitute.Let the mixture sit at room temperature, not in the refrigerator, for optimal curdling results.🍳 ALTERNATE COOKING METHODS: Not applicable - this is a no-cook ingredient substitute.♻️ LEFTOVERS: Add leftovers to pancake or muffin batter within a few days.Use in marinades, mashed potatoes, or salad dressings for a tangy twist.