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Export 2 ingredients for grocery delivery
Step 1
Pour one Tablespoon of lemon juice (or one tablespoon of vinegar) into a liquid measuring cup.
Step 2
Add milk until liquid reaches the 1-cup line (at eye level).
Step 3
Stir. The milk will thicken a little and appear to be slightly curdled or chunky. For peace of mind, let it sit for 5 minutes, even though we learned above that this isn't truly necessary.
Step 4
Use buttermilk in your recipe as instructed.